Event ID - 9581

Event Id9581
DescriptionThe description for Event ID ( 9581 ) in Source ( MSExchangeIS ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: -1.
Event InformationAccording to Microsoft:
This behavior may occur when you have an antivirus program installed and the antivirus program is damaged. This may occur for one or more of the following reasons:
1. You reinstall or restore Exchange 2000 Server from backup, but you do not reinstall the antivirus program.
2. You remove the antivirus program, but the removal of the program is incomplete or damaged.
You may also experience this behavior if you install an Exchange 2000 Server service pack that is incompatible with the antivirus program.
1. Click Start, click Run, type regedit in the Open box, and then click OK.
2. Browse to the following registry subkey:
3. On the Registry menu, click Export Registry File.
4. In the File name box, type virusscan, and then click Save.
5. In the right pane of the Registry Editor window, right-click the Enabled value, and then click Modify.
6. In the Value data box, type 0 (zero), and then click OK.
7. Quit Registry Editor, and then restart the computer.
8. Remove the antivirus program.
9. Reinstall the Exchange 2000 Server service pack (if you previously installed a service pack).
10. Reinstall the antivirus program.
Reference LinksXADM: Information Store Service Does Not Start, Event IDs 9581 and 9564

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