SYMPTOMS
You may experience the following symptoms on a computer that is running Microsoft Exchange Server 2003:
- The IIS Admin Service (Inetinfo.exe) crashes. In this situation, the following event is logged in the System log:Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7031
Date: date
Time: time
User: N/A
Computer: ServerName
Description:
The IIS Admin Service service terminated unexpectedly. It has done this 2 time(s).
The following corrective action will be taken in 1 milliseconds: Run the configured
recovery program.
- Mail builds up in the SMTP queue.
If you turn off the message tracking component in Exchange, you no longer experience this problem.
Note You may experience this problem more frequently on a heavily loaded Exchange gateway server.
CAUSE
This problem occurs because of a problem in the message tracking component in Exchange. The message tracking component may crash when it tries to obtain the properties of a Mailmsg object. This problem occurs because a thread that queues a message for remote delivery runs at the same time as the message tracking thread that logs the event that states that the message is queued for remote delivery. This problem occurs in the following situation:
- Exchange queues a message for remote delivery.
- The message tracking thread starts to log an event that states that the message is queued for remote delivery.
- The message is delivered and then removed by a different thread.
- The message tracking thread tries to obtain the properties of the Mailmsg object that was removed to finish the logging operation.
In this situation, the message tracking component crashes when it tries to obtain the properties of the Mailmsg object because the Mailmsg object has been removed.
RESOLUTION
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 Server 2003 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:
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, you must be running Exchange Server 2003 Service Pack 2 (SP2) to install this hotfix.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993
How to obtain the latest service packs for Exchange Server 2003
Restart requirement
You do not have to restart the computer after you apply this hotfix. However, you must restart Microsoft Internet Information Services (IIS) and all the Exchange Server 2003-related services 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 file attributes) 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 item in Control Panel.
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| Phatq.dll | 6.5.7651.4 | 599,040 | 14-Feb-2006 | 03:36 | x86 |