Consider the following scenario. You have an Internet Information Services (IIS) 6.0 web server running on Windows Server 2003 Service Pack 2. The Microsoft update KB973917 gets installed on the server. After installing KB973917, the IIS 6.0 application pools cannot start up successfully. An inspection of the event logs show that the IIS worker processes are terminating unexpectedly, showing event messages similar to the following:
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 ‘1234′.
The process exit code was ‘0xffffffff’.
Internet Information Services 6.0 may not function correctly after installing KB973917
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