Home > Uncategorized > Exchange 2007 services failed to start

Exchange 2007 services failed to start

Today I found a interesting problem, I needed to reboot our CAS server, however once the server had rebooted I found that all the exchange services would not start except AD Topology Service.

The Error in the event log was not to helpful it just said the service did not respond to the start control request in a timely fashion.

After some searching the web I found the answer and a work around.

It seems that sometime around service pack 1 update rollup2 Microsoft started signing some of it assemblies with Authenticode. this means that when the server rebooted and the service was restarted the CAS server tried to contact Microsoft’s CRL to verify the certificate.

To get around this I but a loop back in the host table of the CAS server for crl.microsoft.com.

All the services then started correctly.

more information here KB944752

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