Microsoft KB Archive/230287

= Contents of Internet Information Server 4.0 Release Notes =

Article ID: 230287

Article Last Modified on 8/23/2006

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APPLIES TO


 * Microsoft Internet Information Server 4.0

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This article was previously published under Q230287



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



SUMMARY
Following is a copy of the Internet Information Server 4.0 Release Notes included with the Windows NT 4.0 Option Pack.

The file containing these Release Notes is located at <%SystemRoot%>\Help\iis\htm\core\iisread.htm.

NOTE: The formatting and layout of the text below may vary slightly from the original.



Internet Information Server Version 4.0 Release Notes
Welcome to Microsoft(r) Internet Information Server (IIS) 4.0. Please refer to these release notes to obtain the most up-to-date information about installation, documentation, support, and other known issues.

Installing IIS 4.0

Product Documentation

Other Known Problems and Limitations

Providing Feedback

Microsoft Technical Support

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Installing Internet Information Server Version 4.0

 * Windows NT 4.0 and Service Pack 3: The Windows NT(r) Server service must be installed and running.
 * When installing IIS 4.0 on a computer running Windows NT Server, the NetLogon and Computer Browser services must be running. If these services are not running, you will receive a dialog that says "Cannot detect OS type" and Setup will fail.
 * Removal of Alpha, Beta 1, or Beta 2 software: If you have IIS version 4.0 Alpha or IIS version 4.0 (Beta 1 or Beta 2), be sure to uninstall that release (before installing the current release). To do this, first start the Setup program from the compact disc containing the earlier release or, in Windows NT, click Start, point to Programs, point to Microsoft Internet Information Server (Common), and then click Internet Information Server Setup. Click Next, then click Remove All.

ODBC installation errors will occur during setup if there are any other applications or system services running that use the existing ODBC on the system. If any ODBC errors occur, please stop all desktop and system service applications, and run Setup again.

NOTES

The Windows NT 4.0 Option Pack only can be installed on Windows NT Server 4.0 and Windows NT Workstation 4.0.

The Personal Web Server for Windows 95 contained in the Windows NT 4.0 Option Pack installs on both Windows 95 and Beta 3 of Windows 98.

The Windows NT 4.0 Option Pack cannot be installed on any version of Windows NT 5.0.

Other Installation Considerations
Reinstalling Windows NT Service Pack 3:

If you reinstall Windows NT Service Pack 3 for any reason after IIS 4.0 is installed, do not overwrite the newer files that were installed by IIS 4.0.

Uninstalling the Product:

To uninstall the product, rerun the Setup program for this release. There are several ways to access the Setup program. You can use the compact disc, or click Start, point to Programs, point to Windows NT Option Pack 4.0, and then click Windows NT Option Pack 4.0 Setup. Follow the instructions in the dialog boxes and, when prompted, click the Add/Remove button to uninstall the software.

Installation Errors and Problems:   Errors that occur during unattended setup will be written to the Windows NT registry. Navigate to the following registry path for error information: HKEY_LOCAL_MACHINE\ Software \Microsoft \Windows \Setup \OCmanager \Errors  When installing IIS 4.0 on a Windows NT Server Backup Domain Controller (BDC), in Setup you should select the Custom installation option and disable Index Server and the Web Wide Web Sample Site. If you want to install Index server or Web Wide Web Sample Site on a BDC, use Add/Remove feature in Control Panel to install these components after the IIS installation has completed.

Upgrading Considerations

 * IIS version 4.0 is not compatible with Microsoft Proxy Server 1.0. In order to use Proxy server with IIS, please upgrade Proxy Server from version 1.0 to version 2.0. Proxy Server version 2.0 should be installed or reinstalled after IIS is upgraded to version 4.0. Additionally, present installations of Proxy Server 2.0 will not function properly after IIS 4.0 has been installed. You should rerun Proxy Server 2.0 Setup after installing IIS 4.0.
 * If you are upgrading from a previous version of IIS and you have trouble viewing Default.asp, then you probably have an older version of this file. In order to install the newer IIS 4.0 version of this file, you must manually remove the older version of Default.asp. The default location is C:\InetPub\Wwwroot.
 * You cannot use Internet Service Manager for Internet Information Server 3.0 to configure administrative properties for Internet Information Server 4.0.

Certificate Server Issues:

If you have Certificate Server installed, you must stop this service before installing IIS. If you do not, you will not have properly installed the updated ODBC drivers. In general, it is a good idea to shut down all background applications before running Setup to avoid issues.

To stop the Certificate Server service on Windows NT, click Start, point to Settings, click Control Panel, and run the Services application. Select Certificate Authority, then click the Stop button. To restart the service after the IIS installation has successfully completed, open Control Panel, start the Services application, select Certificate Authority, and click the Start button.

If you receive an error during setup that Msdasql.dll or Odbc*.dll failed to be loaded, you will need to cancel setup, stop the services, and restart.

Setup.exe is not code signed:

When running Setup from the IIS CD from the setup Web page, Internet Explorer will display an error message indicating that Setup.exe has not been code signed. Setup.exe is a 16-bit file and 16-bit file formats cannot be code signed.

Product Documentation
All documentation for the product is available online. You can access the Help topics by clicking Start and pointing to the program group where the product is installed, or by using the Help menu of the administration tool. Context-sensitive help is also available by clicking the Help button on a property sheet or dialog box.

Using the Documentation
Please observe the following guidelines when using the online documentation:
 * The WWW service must be installed and the server must be running in order to view the documentation (with the exception of release notes and troubleshooting files). If the Web site is stopped, when you click Product Documentation you will get a message that "A connection with the server could not be established." If you get this error, start Internet Service Manager and check the status of the Web site; if the site is stopped, then start the service.
 * In Internet Explorer 4.01 users must enable the Bypass proxy server for local (Intranet) addresses option on the Connection property sheet in order to view local files, such as the product documentation
 * If you click the print icon in the Option Pack product documentation Contents frame and select the option Print everything contained in the current heading, you may experience a temporary performance degradation on the server if the selected section contains a large number of topics. Pages printed by using the Contents print icon will not include graphics or linked documents. Also, the Contents print icon does not work in conjunction with the sample scripts and programs found in the Developer Samples section of the IIS documentation. If you select a topic in the Developer Samples section and click the Contents print icon, you will receive an error message indicating that the file cannot be found.
 * In order to view the IIS documentation remotely, please use the following URL: http:// /iisHelp/ where is the nameof the server running IIS.

Other Known Problems and Limitations
The following list contains known problems and limitations in this release:

Administration

Remote Administration with Internet Service Manager (HTML)

Internet Server Application Program Interface (ISAPI)

Active Server Pages

Server Security

Exploration Air Sample Site Issues

General

Administration
 In previous versions of IIS, you could stop the entire Web service by typing at the command line net stop w3svc. This would terminate all of the Web services on the computer, and shut down the Inetinfo.exe process. As a result of the new multiple Web site architecture, there is another service, Iisadmin, that keeps running, even when W3SVC is shut down. The same is true for starting and stopping services from Control Panel. If you truly want to unload the Inetinfo.exe process, and make sure that all of the extensions are unloaded properly, you should now type net stop iisadmin, rather than net stop w3svc. Typing net start w3svc or net start msftpsvc automatically starts Iisadmin. When you start the Web server it migrates all new virtual roots in the registry to the metabase ("new" meaning, not already in the metabase). The server then deletes all registry virtual roots and mirrors the virtual roots from the metabase to those of the registry. Any change to metabase virtual roots re-mirrors the virtual roots to the registry, deleting any registry entries changed or added since the original installation. The PStore service must be running in order to run IIS.</li>  If you have a .dll file with special dependencies that require these files to be loaded before other Web server processes, you can create a registry-defined list of those .dll files that are to be preloaded into Inetinfo.exe program before any other Web server services start up.

To preload .dll files, create a new registry key called PreloadDlls at the following registry path: <pre class="fixed_text">HKEY_LOCAL_MACHINE\ SYSTEM \CurrentControlSet \Services \Inetinfo \Parameters Set this entry as type multi-sz, with data consisting of the names of the .dll files that you want to preload (separated by carriage returns). If the files reside in the same path, you can type just the name of the .dll file. If the .dll file resides in another directory, type file name and its full path. </li> When you attempt to backup Web site configuration information you will be prompted to type in a comment phrase before saving the configuration information. However, you cannot save this information if your comment includes non-alphanumeric characters, including nonprintable characters, or any of the following characters:

/ \ \ * . ? \ "& ! @ # $ % ^ = + | ` ~</li> You cannot use Internet Service Manager to remotely administer a computer running IIS 4.0 Beta 3.0 from a computer running the final release of IIS 4.0. Likewise, you cannot administer a computer running IIS 4.0 final release from one running IIS 4.0 Beta 3.0. This applies to all other applications using the AdminBase interface. The workaround is to put the released version of the file Admwprox.dll on all machines and then reboot.</li></ul>

Remote Administration with Internet Service Manager (HTML)

 * To administer a remote computer running IIS 4.0 using Internet Server Manager (HTML) to you must log on with a valid administrator (or operator) account for that remote computer. With previous releases you could create a session to \\ServerName\IPC$ using a different user account to get access, this will not work for IIS 4.0. If you want to access Internet Service Manager (HTML) on a remote computer with a different account (that is, an account other than the account you use to log on the local computer), you must enable Basic Authentication and disable Windows NT Challenge/Response authentication on the Directory Security property sheet, so that you will be prompted for proper user account credentials.
 * In order for Internet Service Manager (HTML) to function properly, you must set your browser's cache to refresh with every visit to an HTML page. In IE 4.01 you can set this by following these steps:
 * Select the View menu item.
 * Select Internet Options.
 * On the General tab, click the Settings button.
 * Under Check for newer versions of stored pages, select the Every visit to the page option.
 * Some Internet Information Server virtual directories are configured in such a way that they appear as non-virtual directories to the IIS Administration Objects. This configuration prevents the Administration Objects objects from being administered by means of Internet Service Manager (HTML). The following are the affected virtual directories:

Iishelp/Ado

Iishelp/Adc

Iishelp/Msadc

Iishelp/Ics

Msadc

Iishelp/Sse/Sa

Iishelp/Sse/Uaexpress

Iishelp/Ics/I_cmak

Iishelp/Ics/I_cps

Iishelp/Ics/I_ias

CertSrv

CertQue

CertAdm

CertControl

A script called Fixcfg.vbs (located in Winnt\System32\Inetsrv\Adminsamples, by default) will correct this problem.
 * When administering your Web server with Internet Service Manager (HTML) through a proxy connection, you cannot use Windows NT Challenge/Response authentication. Proxy servers will only allow your Web server to use Basic authentication.
 * If you create a new Web site in Microsoft Management Console, Web site Operators cannot remotely connect to that site with Internet Service Manager (HTML) until you create a virtual directory called IISADMIN. (Note that users designated as Administrators are able to remotely administer the site through the Administrative Web Site without this virtual directory). If you create the Web site by using Internet Service Manager (HTML), then your Web server will automatically create the IISADMIN site because the server assumes that you will want to remotely administer that site.

To create the IISADMIN virtual directory:
 * In Internet Service Manager, select the Web site you want your Operators to remotely administer.
 * Right-click, select New, then click Virtual Directory.
 * In the Alias box, type in IISADMIN, then click Next.
 * Type <DriveLetter>:\Winnt\System32\Inetsrv\Iisadmin where you replace DriveLetter with the letter of your local drive. (This physical path is the same as the path for the Default Web Site's Iisadmin directory.) Click Next.
 * Select Allow Read Access and Allow Script Access. Click Next.
 * Click Finish.
 * Select the new IISADMIN virtual directory for the Web site, and open its property sheets.
 * Select Directory Security property sheet, and under Anonymous Access and Authentication Control, click Edit.
 * Clear the Allow Anonymous Access check box.
 * Select either Basic Authentication or Windows NT Challenge/Response Authentication and click OK.

Internet Server Application Programming Interface (ISAPI)
 The configuration metabase property InProcessIsapiApps (MD_IN_PROCESS_ISAPI_APPS) now permits entries of .dll names without qualifying paths. An entry without a qualifying path will match any ISAPI request that contains the .dll name regardless of the physical path specified in the request. For example, the following would be a valid list for the property: "D:\Winnt\System32\Inetsrv\Ssinc.dll" "D:\Winnt\System32\Inetsrv\Httpodbc.dll" "Author.dll" "Shtml.dll" "Admin.dll".</li> When debugging ISAPI applications, ISAPI filters, server components, or other code you are writing to run on top of IIS, it may be useful to run IIS as a process. Information about configuring IIS 4.0 to run as a process is outlined in the product documentation. Additional instructions and two .reg files that automate the process of switching IIS to run as a service or a process have been added to the IIS 4.0 SDK.

To install the SDK

<ol> In IIS Setup dialog box, select Internet Information Server then click Show Subcomponents.</li> Select Documentation, click Show Subcomponents, then click SDK.</li> Click OK.</li></ol>

You can find the instructions in Inetpub\Iissamples\Sdk\Components\IIS_as_process.txt. For more information, the topic "Establishing a Debugging Environment" in the Advanced Web Application Development section of the Internet Information Server documentation describes how to set up an environment for debugging ISAPI extensions.</li> The metabase identifier MD_ALLOW_PATH_INFO_FOR_SCRIPT_MAPPINGS is not documented in the Metabase Identifier Reference in the Programmer's Reference. The documentation for the corresponding automation metabase property, AllowPathInfoForScriptMappings, in the Administration Property Reference also applies to MD_ALLOW_PATH_INFO_FOR_SCRIPT_MAPPINGS. The user type is IIS_MD_UT_SERVER.</li> In the Metabase Identifier Reference, which is part of Programmer's Reference documentation for the metabase identifier MD_SCRIPT_MAPS, the constant MD_SCRIPTMAPFLAG_SCRIPT is incorrectly identified as MD_SCRIPTMAPFLAG_SCRIPT_ENGINE.</li> The two configuration metabase properties, AppAllowDebugging and AppAllowClientDebug, can be set at the IIsWebDirectory key in addition to the other keys specified in the documentation.</li></ul>

Active Server Pages
 Properties set for the ASP Request, Response, and Server objects are valid only during the processing of a request. For example, if you set a property in the Global.asa, such as Response.Buffer = True, the property will apply only to a single request and not to all requests.</li> If you stop the WWW service from Internet Service Manager while debugging a script, then Internet Service Manager will not function until you resume execution of the script you are debugging. Normally, if you stop the Web service using Control Panel or the net stop command, scripts being debugged with Microsoft Script Debugger are terminated. However, if you stop a Web site from Internet Service Manager, then the site will stop operation if you are currently debugging scripts that are running on the server you are stopping. If you go to the Microsoft Script Debugger and select Stop Debugging for scripts that you are debugging, then Internet Service Manager will resume operation.</li> <li>There are currently known problems with using PerlScript with ASP. If you are running PerlScript from ActiveWare, contact ActiveWare for a new PerlScript engine.</li> <li>There is a mistake in the ASP documentation which states that the MapPath method does not support relative path syntax, such as ./path or ../path. The MapPath method will support relative path syntax only if the EnableParentPaths metabase property is enabled. When the EnableParentPaths property is not enabled, using the MapPath method with a relative path results in an error.</li> <li>When setting Windows NT permissions for a directory for which you intend to use use anonymous or Windows NT Challenge/Response authentication, you must assign the anonymous user account (IUSR_computername) or the application owner account (IWAM_computername) Read permissions if the directory contains an out-of-process application and a Global.asa. Failure to set the Read permission may result in ASP ignoring the Global.asa file.

Similarly, for in-process applications contained in directories stored on a network drive, you must make sure that the anonymous user account has Windows NT Read permissions.</li> <li>In Microsoft(R) Visual Basic or VBScript, if you call GetObject to instantiate an IIS Admin Object, and GetObject fails, the returned error code is changed in ole32 from MkParseDisplayName to a MK_E_SYNTAX error.</li> <li>If you create or use components developed in Microsoft(R) Visual Basic(R) 5.0 (Enterprise or Professional Editions) for use with ASP, it is strongly recommended that you upgrade to Visual Studio(TM) 97 Service Pack 2, both for your development and server computers. You can download the Visual Studio 97 Service Pack 2 at [http://www.msdn.microsoft.com/vstudio/sp/. http://www.msdn.microsoft.com/vstudio/sp/].</li> <li> The Scripting.Dictionary object is erroneously marked as Both-threaded. It should be marked as Apartment-threaded. To change this, use the Registry Editor to open the following registry key: <pre class="fixed_text">HKEY_CLASSES_ROOT\ CLSID \{EE09B103-97E0-11CF-978F-00A02463E06F} \InprocServer32 Change the named value for ThreadingModel to Apartment. If you use the Dictionary object at Application scope without making this change, corruption of data may occur. </li></ul>

Server Security

 * Although Internet Service Manager will allow you to enable password synchronization for a non-local anonymous user account, this is not a supported configuration, and may cause all access to your Web or FTP server to be denied. Password synchronization should only be used with anonymous user accounts defined on the local computer. If your Web site relies on the anonymous user being able to access network resources, you cannot use the anonymous authentication password synchronization feature and you must specify a valid password for the anonymous user.

Exploration Air Sample Site Issues

 * If you have not installed the Remote Data Service included with Microsoft Data Access Components 1.5, then you will need to edit the Prefs.txt file (located in Inetpub\IISSamples\ExAir\Benefits\Prefs.txt, by default) to disable the Remote Data Service feature, which is used in the Benefits application of the Exploration Air. Specifically, set the RDSAvailable change from True to False.
 * When using the Secure Sockets Layer (SSL) feature for file uploading, the Posting Acceptor component will correctly upload a file onto your Web server; however, the redirect to Verify.asp will fail. This will have no functional effect on the Posting Acceptor Component.
 * The Exploration Air sample site's Microsoft SQL Server database is configured to use the default user ID (UID) and password (that is, UID=sa and no password.) Other SQL configurations will not work.
 * The file upload component found in the Business Partners Only link will not work if the directory for the file upload is not properly configured. Following is a procedure you can use to to configure your system for file upload:
 * In the IISSamples\ExAir\BusinessPartners directory, create a subdirectory called Upload.
 * Click Start, point to Programs, point to Windows NT 4.0 Option Pack, point to Internet Information Server, and then click Internet Service Manager.
 * In the left pane of Internet Service Manager, click Internet Information Server folder, then double-click your icon named as your server.
 * Double-click Default Web Site, then navigate to the IISSamples/ExAir/Business Partners/Upload virtual directory.
 * Right-click Upload, and select Properties. In the Directory property sheet, under Access Permissions, select Write.
 * Under Permissions in Application Settings, select None. These settings will allow the Posting Acceptor component to work properly.
 * Close the Internet Service Manager and retry file uploading.

General
<ul> <li>In addition to versioning your Web server configuration, the backup and restore feature can be used to restore a previous IIS configuration when a problem occurs that can be fixed by uninstalling and then re-installing IIS. However, this process will not work when a complete re-installation of the operating system is required. If your computer encounters a problem that requires you to reinstall the Windows NT 4.0 Option Pack, use the following procedure to restore a previous configuration:

<ol> <li>In left pane of Internet Service Manager, click the Internet Information Server folder, then select then icon with the name of your computer.</li> <li>From the Internet Service Manager tool bar, click Action, then select Backup/Restore Configuration.</li> <li>In the Configuration Backup/Restore dialog box, click Create Backup.</li> <li> In the Configuration Backup Name dialog box, type a name for the backup file. By default, the backup file will be stored in the C:\Winnt\System32\Inetsrv\Metaback directory. Alternatively, the backup file may be stored in the directory specified in the following registry entry (that is, if you have created this entry): <pre class="fixed_text">HKEY_LOCAL_MACHINE\ SOFTWARE \Microsoft \InetStp \MetaBackup Select the value BackupPath, which contains the name of the backup file you created with Internet Service Manager. </li> <li>Copy the file to a location outside of the Inetsrv subdirectory. Backup files in the Metaback subdirectory are deleted during the uninstall.</li> <li>Uninstall and then re-install the Windows NT 4.0 Option Pack.</li> <li>Copy the backup file to the Metaback subdirectory (C:\Winnt\System32\Inetsrv\Metaback\, by default.)</li> <li>In the Configuration Backup Name dialog box, select the backup file you created, and then click Restore. Although the restoration may fail, a portion of your backed up configuration will be restored.</li> <li>At a command-prompt type, cscript.exe C:\Winnt\System32\Inetsrv\Adminsamples\Adsutil.vbs enum w3svc. This command will list several IIS Web service settings. From the settings listed find the WamUserName and WAMUserPass evalues. These values represent the the user ID and password that the Windows Application Manager (WAM) uses to start out-of-process applications. During re-installation, the password is reset in the User Manager.

NOTE: To use the Adsutil.vbs utility you must have installed the Windows Script Host as part of the Windows NT 4.0 Option Pack installation.</li> <li>Click Start, point to Administrative Tools and click User Manager for Domains. Double-click the IWAM_<computername> user account. Type the password retrieved from the previous step.</li> <li>Click OK.</li> <li>In the Configuration Backup Name dialog box, select the backup file you created, and then click Restore. Your configuration should now be fully restored.</li></ol>

NOTE: If you change the identity of your out-of-process applications, then those applications will revert back to the previous IWAM user name.</li> <li>Uninstalling Microsoft SNA Server 3.08 removes the Microsoft ODBC Administrator file (Odbcad32.exe). However, you can manually access the functionality achieved by this doing the following: <ol> <li>From the Start menu, point to Settings, then click Control Panel.</li> <li>Double-click the ODBC icon. With the ODBC Data Source Administrator dialog box, you can create, edit, and view ODBC data sources, and carry out other ODBC administrative tasks.</li></ol> </li> <li>In the IIS documentation, the Monitoring Counters for Web Sites topic refers to the Trace Requests/sec counter. This counter is not available, although the Total Trace Requests counter is available.</li> <li>You cannot execute the ADSI Configuration Restore function from within a Web Server application (like Active Server Pages or CGI applications). Executing Configuration Restore from a Web Server application will cause the server to stop responding.</li> <li>Microsoft Index Server Issues:

When you create a new Web site, the site is not indexed by default. You must select the Index this directory option on the Home Directory property sheet.</li> <li>Windows NT 4.0 Enterprise Edition:

Important: The clustering features described in the Windows NT 4.0 Option Pack documentation are available only with the Windows NT 4.0 Enterprise Edition and are not part of this Option Pack. When installing IIS over the clustering features of the Windows NT 4.0 Enterprise Edition, the IIS setup Wizard will exit if the cluster is not installed and shared correctly. To ensure the best IIS and cluster setup use the following steps: <ol> <li>Install the clustering features of the Windows NT 4.0 Enterprise Edition on both nodes of the cluster, start the cluster service, and verify operation.

NOTE: In order to install Internet Information Server on Windows NT Enterprise Edition, the path to the Windows directory must be the same on the two nodes of the cluster.</li> <li>Use the Cluster Administrator to move the cluster disk resource into the same group as the cluster Name resource.</li> <li>Install IIS on one node and do not reboot. Stop at the dialog box saying that IIS should be installed on the other node before proceeding.</li> <li>Install IIS on the second node and proceed with restarting both nodes.

NOTE: During installation of the Windows NT 4.0 Option Pack on the first node of an Enterprise cluster, a warning message indicating an error in the IIS Server Instance resource type may appear on the second node. Disregard this message. The installation will proceed normally after completion of the second node installation.</li></ol> </li> <li>Prior to running the iissync command-line utility to replicate the metabase from your server to a target computer on a cluster, you must set the replication share on the source computer in Transaction Server Explorer. Use the following procedure: <ol> <li>In the left pane of Internet Service Manager, double-click the Console Root folder, then double-click the Microsoft Transaction Server, then double-click the Computers folder.</li> <li>Click the My Computer icon, open the My Computer property sheets, and then select the Options property sheet.</li> <li>Under Replication, in the Replication Share box type the name of a Windows NT shared directory accessible by the target computer.</li> <li>Click OK.</li></ol> </li> <li>Internet Information Server 3.0 supported a cluster resource type called IIS Virtual Root. This resource type is no longer supported and has been replaced in IIS 4.0 by the IIS Server Instance resource type. If instances of the obsolete resource type are present following installation of IIS 4.0, use the Cluster Administrator to delete the instances.</li> <li>When installing IIS 4.0 on Windows NT Enterprise Edition with Microsoft Message Queue Server already installed, in certain cases Setup will fail and display the following error message:

MS Data Access components 1.5

Unable to register the following file: C:\Program Files\Common Files\System\Ole db\Msdasql.dll

If this message appears, click OK and allow Setup to complete. When the Setup of World Wide Web Server failed error message appears, click OK. Run IIS Setup again and choose Remove All, then reinstall IIS. The MS Data Access components will install without setup failing.

</li></ul>

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Providing Feedback
Peer-to-peer newsgroups are available to help you interact with other users of our products, including Microsoft Most Valuable Professionals (MVPs). You can use any newsreader software to access these newsgroups. Regardless of the newsreader or news client you are using, you may need to configure it to read the newsgroups. When prompted for News Server, specify msnews.microsoft.com. You do not need to enter an account name or password. Before posting to the newsgroups, please review the Microsoft Newsgroup Rules of Conduct. For more information about Microsoft newsgroups please see http://www.microsoft.com/communities/newsgroups/en-us/default.aspx and choose Internet Information Server.

Newsgroups supporting the Windows NT Option Pack 4.0 will become available in the near future. You should refresh your newsgroup subscriptions often in order to find the latest newsgroup for this product.

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Microsoft Technical Support
If you have a technical question about Microsoft(R) Internet Information Server, use this online documentation or consult Help by clicking the Help button during a procedure. If you still have a question, Microsoft offers technical support and services ranging from self-help tools to direct assistance with a Microsoft Technical Support Professional.

NOTE: The services and prices listed here are available in the United States and Canada only (see Technical Support Worldwide below).

Self-Help Tools to Find Answers Yourself
Microsoft Technical Support Online: This innovative site uses the cutting-edge technology of Microsoft to help you access the most relevant technical information and resources to answer your support questions. Use the Troubleshooting Wizards to easily diagnose and answer technical questions. Or select technical articles, programming aids, or commonly asked questions from the Microsoft Knowledge Base of over 75,000 articles. Visit http://www.microsoft.com/support/ today and see how easy it is to find the answers you need.

Direct Assistance with a Microsoft Technical Support Professional
Pay-Per-Incident Support: If you still need answers to your technical questions, you can purchase Pay-Per-Incident Support. In the U.S. and Canada, for a fee of $195 US per incident, please call (800) 936-5900, 24 hours a day, seven days a week, including holidays.

NOTE: Support fees for the (800)# calls will be billed to your VISA, MasterCard, or American Express credit card.

Priority Annual Support: If you anticipate a high volume of support incidents, or need priority access to Microsoft Technical Support Professionals, you can purchase a Priority Annual Comprehensive Account. In the U.S. and Canada, for more information or to purchase an annual account at a cost of $1,695US per 10 incidents, call (800) 936-3500, 24 hours a day, 7 days a week, including holidays. To submit an incident against an existing account, call (800) 936-4900, 24 hours a day, 7 days a week, including holidays.

Submitting questions via the Internet: In the U.S. and Canada, you can also submit your Pay-Per-Incident or Priority Annual support questions via the Internet with Microsoft Online Assisted Support. For more details, visit the following Web site: http://support.microsoft.com/contactus/?ws=support.

Priority Plus: Microsoft Technical Support also offers special accounts for medium-sized businesses that require priority incident resolution, including business-critical support and access to targeted information to assist information-technology and Help desk professionals in support planning for smoother product deployment. For more information, in the U.S. and Canada, please call (800) 936-3500, 24 hours a day, seven days a week, including holidays.

Priority Consult Line: Receive hourly consulting for support questions that fall outside of the traditional technical support realm. These include designing or planning for deployment, software development, code review, and implementation planning. The Consult Line covers all Microsoft products, including those Microsoft products used for developing Internet and Intranet solutions. For more information or to purchase hourly consulting services at $195US per hour (minimum one hour), please call (800) 936-5200, Monday through Friday, excluding holidays, 6:00 A.M. to 6:00 P.M. Pacific time.

Additional Support Options
Professional Programs and Services: Microsoft Technical Support also offers professional support programs and services for large businesses that require a direct relationship with Microsoft. For more information, see the Technical Support section of the Help file, or visit Microsoft Technical Support Online at [http://support.microsoft.com/?scid=http%3a%2f%2fwww.microsoft.com%2fsupport%2f. http://www.microsoft.com/support/].

Text Telephone: Microsoft text telephone (TTY/TTD) services are available for the deaf or hard-of-hearing. In the United States, using a TTY/TTD modem, dial (425) 635-4948. In Canada, using a TTY/TTD modem, dial (905) 568-9641.

Technical Support Worldwide: Support services and prices may vary outside the United States and Canada. For information on support available outside the U.S. and Canada, contact the local Microsoft subsidiary in your area. For a list of worldwide Microsoft subsidiaries, see the Technical Support section of the Help file, or visit Microsoft Technical Support Online at [http://support.microsoft.com/?scid=http%3a%2f%2fwww.microsoft.com%2fsupport%2f. http://www.microsoft.com/support/].

NOTE: The services and prices listed here are available in the United States and Canada only. Support services may vary outside the U.S. and Canada. For more information on support in other locations, contact your local Microsoft subsidiary. Microsoft's support services are subject to Microsoft's then-current prices, terms, and conditions, which are subject to change without notice.

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Copyright Information
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