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Exchange 2007 IS failure Oddity

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Hi all,

             I manage a local schools infrastructure in my spare time and they had this strange little issue:

 After a power outage, the information store on my Exchange 07 SP1 server (running Windows 2008) would not start. All other services were running ok and running the following command:

  SC Query MSExchangeIS

I could see the following:

State : 0 Stopped
Win32_Exit_Code : 1066 (0x42a)
Service_Exit_Code : 0 (0x0)
Checkpoint : (0x0)
Wait_Hint : (0x0)

I did some research and it appeared that it may have been AV orientated, so I went into the following registry key:

The key is HKEY_LOCAL_MACHINE\SYSTEM\Current Control Set\Services\MSExchangeIS\VirusScan\Enabled

Current value 1 changed to 0

This allowed the service to start and all email was fine.

I have now re-installed my AV and it all appears to be back to normal and the enabled is now back at 1.

Very interesting!