Microsoft KB Archive/812658

= &quot;Page cannot be displayed&quot; error message when you open an .eml attachment in Outlook Web Access =

Article ID: 812658

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Exchange 2000 Enterprise Server

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Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
When you compose and then send a message that contains an .eml file attachment in Microsoft Outlook, the recipient may receive an error message if the recipient uses Microsoft Outlook Web Access (OWA) to open the .eml attachment. The error message is similar to the following error message:

The page cannot be displayed.

The page you are trying to reach cannot be retrieved.

Please try the following:

Open the localhost home page, and then look for links to the information you want.

Click the Refresh button, or try again later. Click Search to look for information on the Internet. You can also see a list of related sites.

Error 501/505 - Not implemented or not supported

Internet Explorer



CAUSE
This problem may occur if all the following conditions are true:
 * You configure the Send clear text signed message when sending messages option in Outlook.
 * The message is digitally signed by using clear text.
 * You attach an .eml file to the message.



Cumulative Rollup Information
To resolve this problem, obtain the September 2003 Exchange 2000 Server Post-Service Pack 3 (SP3) Rollup. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

824282 September 2003 Exchange 2000 Server Post-Service Pack 3 Rollup

Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange 2000 Server service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
Because of file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 3 (SP3). For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

301378 How to Obtain the Latest Exchange 2000 Server Service Pack

File Information
Component: OWA

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. Date        Time   Version        Size    File name -- 09-Jun-2003 20:49  6.0.6474.0  3,915,776  Cdoex.dll 09-Jun-2003 20:43  6.0.6474.0    827,392  Davex.dll 09-Jun-2003 20:38  6.0.6474.0    577,536  Dsaccess.dll 09-Jun-2003 19:44  6.0.6474.0    184,320  Dscmsg.dll 09-Jun-2003 19:54  6.0.6474.0    958,464  Emsmdb32.dll 09-Jun-2003 20:49  6.0.6474.0  3,575,808  Excdo.dll 09-Jun-2003 20:38  6.0.6474.0    258,048  Exmime.dll 09-Jun-2003 20:43  6.0.6474.0  2,138,112  Exoledb.dll 09-Jun-2003 20:35  6.0.6474.0     81,920  Exosal.dll 09-Jun-2003 20:43  6.0.6474.0    307,200  Exprox.dll 12-May-2003 18:40                  8,985  Frm_readnote20.js 09-Jun-2003  19:33  6.0.6474.0     49,152  Mdbevent.dll 09-Jun-2003 19:51  6.0.6474.0  2,285,568  Mdbmsg.dll 09-Jun-2003 19:34  6.0.6474.0     32,768  Mdbrole.dll 09-Jun-2003 20:39  6.0.6474.0     24,576  Mdbtask.dll 09-Jun-2003 20:37  6.0.6474.0  4,648,960  Store.exe 12-May-2003 18:40                 22,121  Util_owa20.js 09-Jun-2003  19:51  6.0.6474.0  3,735,552  Wmtemplates.dll After you apply this hotfix, you must enable the functionality of the hotfix. To do so, add the  DWORD value to the following registry key:

To add the DWORD value, follow these steps.

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.  Click Start, and then click Run. In the Open box, type regedit, and then click OK. Locate and then click the following registry key:

 On the Edit menu, point to New, and then click DWORD Value. Type AllowEmbeddedMessageSave, and then press ENTER.</li> On the Edit menu, click Modify.</li> In the Value data box, type 1, and then click OK.</li> Quit Registry Editor.</li></ol>

After you add the DWORD value to the registry key, you can do the following:
 * When you open the message and then click the .eml attachment, the .eml file opens.
 * When you open the message and right-click the .eml attachment, and then click either Open or Open in New Window, the .eml file opens in a new Web browser window.
 * When you open the message and right-click the .eml attachment, and then click Save Target As, the Save As dialog box appears. In the Save As dialog box, you can specify a file name and a location where you want to save the .eml file.

<div class="status_section">

STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: kbExchange2000preSP4septbarFix XCCC

Keywords: kbhotfixserver kbqfe kbqfe kbfix kbexchange2000presp4fix kbbug KB812658

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