Event 8213 appears in the Application log after you install Exchange Server 2003 or Exchange 2000 Server (296151)

RESOLUTION

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
Warning If you have any programs that use the IAddressee::GetFreeBusy function from Collaboration Data Objects for Exchange 2000 on the affected server, if you add the following registry key, the IAddressee::GetFreeBusy function stops working. In most scenarios where this registry key is added, the function returns an error code of 0x8000FFFF.

To resolve the issue that the "Symptoms" section describes, edit the registry, and then set the permissions in Exchange 2003 or in Exchange 2000:

1. Start Registry Editor.
2. Locate the Server value under the following key in the registry:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeFBPublish\Parameters\<Server>

3. On the Edit menu, click Add Value.
4. In the Value Name field, type FreeBusyQuerySessions, set the Data Type to REG_DWORD, and then click OK.
5. In the Data field, type 00000000, and then click OK.
6. Quit Registry Editor.
7. Restart the Microsoft Exchange System Attendant.
8. Start Exchange System Manager, and then locate the storage group.
9. Click the private store, and then right-click Properties.
10. Click the Security tab, and then click the Exchange service account.
11. Click View information store, click Administer information store, and then set the permissions.
12. Reset the Administrative Group's service account.

To reset the Administrative Group's service account, follow these steps:

1. Back up the Exchange Server 2003 or Exchange 2000 Server information store and the Windows system state data of a domain controller.
2. Start the ADSI Edit tool.
3. Expand Configuration Container [domain name], expand CN=Configuration,DC=Domain_name, expand CN=Services, expand CN=MicrosoftExchange, expand CN=Organization_Name, and then expand CN=Administrative Groups
4. Right-click CN=Your Admin Group Name, and then click Properties.
5. Click the Attribute Editor tab.
6. Double-click the following properties, note the value if there is a value in the property, and then click the CLEAR button:
   • msExchEncryptedPassword
   • msExchLegacyAccount
   • msExchLegacyDomain
7. Double-click msExchAdminGroupMode.
8. Type 2 for the value.
   
   Note Before you change the value to 2, note the original value.
9. Click OK, click Apply, and then click OK.
10. Quit the ADSI Edit tool.
11. Restart the Exchange-related services.