The World Wide Web Publishing service (W3SVC) crashes on a Microsoft Exchange Server 2010 Service Pack 3 (SP3) server. Additionally, the following event is logged in the Application log:


To resolve this issue, install the following update:

2961522 Update Rollup 7 for Exchange Server 2010 Service Pack 3


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about W3SVC, go to the following Microsoft website:

General information about the IIS World Wide Web Publishing Service

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