Error 0x3ee starting the Microsoft Exchange Information Store. Failed to init VSERVER

https://kc.mcafee.com/corporate/index?page=content&id=KB66391

Problem

The Microsoft Exchange Information Store service fails to start and you see the following in the Application Event Log:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9564
User: N/A
Description: Error 0x3ee starting the Microsoft Exchange Information Store. Failed to init VSERVER

Event Type: Error
Event Source: MSExchangeIS
Event Category: (40)
Event ID: 9565
User: N/A
Description: Invalid virus scanner configuration. Unable to start virus scanner. Check the following parameter: Library

Solution

CAUTION: This article contains information about opening or modifying the registry.
•The following information is intended for System Administrators. Registry modifications are irreversible and could cause system failure if done incorrectly.
•Before proceeding, McAfee strongly recommends backing up your registry and understanding the restore process. For more information, see: http://support.microsoft.com/kb/256986.
•Do not run a .REG file that is not confirmed to be a genuine registry import file.

Disable the Microsoft VSAPI in the registry as follows:

To start the Windows registry editor
1. Click Start, Run, type regedit and then click OK.
2.Navigate to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\VirusScan

3.In the right-pane, double-click Enabled.
4.Type 0 and then click OK.
5.Click File, Exit to close Registry Editor.
The Exchange Information Store can now be started without generating the errors.

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Posted in: Exchange