Microsoft KB Archive/823872

= Computer Stops Responding When You Specify Both the /SMARTCARD and the /SAVECRED Switches in the RUNAS Command =

Article ID: 823872

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional

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SYMPTOMS
When you try to use the runas secondary logon command together with both the /smartcard and the /savecred switches, the computer stops responding.



CAUSE
This problem occurs because of an access violation in the Secondary Logon service. This problem occurs when both the following conditions exist:
 * You type the runas command together with both the /smartcard and the /savecred switches.

-and-
 * You do not specify other user credentials in the runas command.

For example, if you type a command that is similar to the following, the computer stops responding:

runas /smartcard /savecred cmd.exe

However, if you enter a command that is similar to the following, the command works as you expect:

runas /smartcard /savecred /user: cmd.exe



Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

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

Prerequisites
You must be running Microsoft Windows XP Service Pack 1 (SP1) to install this hotfix. For additional information about how to obtain the latest Windows XP service pack, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to Obtain the Latest Windows XP Service Pack

Restart requirement
You must restart your computer to apply the changes that are made by this hotfix. However, you do not have to restart your computer immediately after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
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.

Windows XP 32-Bit
Date        Time   Version           Size     File name -- 19-Aug-2003 18:58  5.1.2600.1261     158,720  Credui.dll

Windows XP 64-Bit
Date        Time   Version           Size     File name        Platform - 19-Aug-2003 18:58  5.1.2600.1261     312,832  Credui.dll       IA-64 19-Aug-2003 18:58  5.1.2600.1261     158,720  Wcredui.dll      x86



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Microsoft Windows XP Service Pack 2.



MORE INFORMATION
For additional information about how to use the secondary logon functionality in Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:

225035 Secondary Logon (Run As): Starting Programs and Tools in Local Administrative Context

For additional information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the Standard Terminology That Is Used to Describe Microsoft Software Updates

Additional query words: hangs

Keywords: kbhotfixserver kbqfe kbwinxpsp2fix kbqfe kbwinxppresp2fix kbfix kbbug KB823872

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