XADM: System Attendant (Mad.exe) Stops in ScSetDeleted (191956)
The information in this article applies to:
- Microsoft Exchange Server 5.0
- Microsoft Exchange Server 5.5
This article was previously published under Q191956 SYMPTOMS
The Microsoft Exchange System Attendant (Mad.exe) stops (crashes). If you
have Dr. Watson enabled, which it is by default, and you have Exchange
symbols installed on the computer, the Drwtsn32.log file contains the
following call stack:
Function Name
-------------
mad!CSecurity::ScSetDeleted
mad!ScUpdateExchAdminAccountsOnRegistryKeys
mad!CAdminRegTask::Work
mad!CTimerTask::DwLoop
mad!CTimerTask::DwLoopStatic
CAUSE
One of the tasks of the Microsoft Exchange System Attendant is to
periodically check to see whether any user accounts have been added to the
Site and Configuration containers with Administrator-level permissions. If
it finds this to be the case, it needs to give or take away rights to the
local machine's registry for those user accounts.
There was a logic error in this procedure that could cause the Microsoft
Exchange System Attendant to stop responding in rare events.
RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server
version 5.5. For more information, please see the following article in the
Microsoft Knowledge Base:
191014
XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack
STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server
versions 5.0 and 5.5.
A supported fix is now available, but has not been fully regression-tested
and should be applied only to systems experiencing this specific problem.
Unless you are severely impacted by this specific problem, Microsoft
recommends that you wait for the next service pack that contains this fix.
Contact Microsoft Product Support Services for more information.
| Modification Type: | Minor | Last Reviewed: | 9/23/2005 |
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| Keywords: | kbHotfixServer kbQFE kbbug kbfix kbQFE KB191956 |
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