MS Exchange information store service not starting

Hi - we had a problem with out Antivirus software on our server, so we needed to uninstall and reinstall, after we uninstalled, the info store service doesnt start, making us dead in the water. Here is the event we get regarding:

Event Type:      Error
Event Source:      MSExchangeIS
Event Category:      General
Event ID:      9564
Date:            11/13/2008
Time:            12:11:58 PM
User:            N/A
Computer:      CHARLIE2
Error 0x80004005 starting the Microsoft Exchange Information Store.
Failed to init VSERVER.

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Any help would be appreciated!
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hodgemAuthor Commented:
bad spelling

Check that this key is set to 0, disabling Virus Scans.

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HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\VirusScan and set "Enabled" to a value of 0. Stop and restart the exchange services.
See if that helps

Making Bulk Changes to Active Directory

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Good one cluebeck :o)
Antonio VargasMicrosoft Senior Cloud ConsultantCommented:
Do you have at least SP1 on all domain controllers? exchange requires windows SP1 and the service that does not start if you dont have sp1 on windows is.. information store...
please report:)
hodgemAuthor Commented:
You rock - that did it!
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