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After installing KB 973917, the IIS 6.0 application pools cannot start up

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New issue on the block after installing KB 973917. Checking event viewer you would end up with

Event Type: Warning
Event Source: W3SVC
Event Category: None
Event ID: 1009
Date: 12/9/2009
Time: 10:55:01 AM
User: N/A
Computer: WEBSERVER01
Description:
A process serving application pool 'DefaultAppPool' terminated unexpectedly. The process id was '9878'.
The process exit code was '0xffffffff'.  

To resolve this problem, reinstall Service Pack 2 for Windows Server 2003 on the web server.

Check out KB https://support.microsoft.com/?kbid=2009746

<UPDATE>

Before applying hotfix 973917 check whether it would break your IIS or not through this script

P.S: Script written by Punit Shah

</UPDATE>

Comments

  • Anonymous
    December 09, 2009
    Yeah, this one hit us last night and broke IIS on one of our EV servers. Removing the patch resolves the issue.

  • Anonymous
    December 09, 2009
    The comment has been removed

  • Anonymous
    December 10, 2009
    We had the same experience where all our application pools would fail  [Stopped Unspecified error] . With error A process serving application pool…with '0xffffffff' in the even log. This happened on our test IIS servers prior to updates getting applied to our main production systems. I am uncertain as to the fate of our production systems. I have read several other threads about uninstalling 973917 or reinstalling SP2. Currently I have uninstalled 973917 and rebooted. This did not resolve the issue. (I then reinstalled 973917) I then moved on to downloading and am reinstalling SP2. Reinstalling SP2 resolved the issue.

  • Anonymous
    December 10, 2009
    The comment has been removed

  • Anonymous
    December 13, 2009
    I've removed update 973917.  This allowed the application pools to start again, but now I can't login to OWA.  I enter my user name and password and it simply bounces me back to the login screen - a loop.  Any ideas?

  • Anonymous
    December 14, 2009
    Hello French, Haven't noticed anything like this.. Could please try with another user and see you are able to login? Thanks Jas

  • Anonymous
    December 14, 2009
    We have the same exact issue. Found this: http://support.microsoft.com/?kbid=2009746  In the process of getting SP2 and re-applying it.

  • Anonymous
    June 22, 2010
    This issue is also caused by the brand new KB 982666. Same fix.