Outlook and Outlook Web Access cannot log on after Exchange 2000 upgrade

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This article was previously published under Q273448

Symptoms

When you upgrade your Exchange servers, your Outlook and Outlook Web Access (OWA) clients cannot log on. You may receive one or more the following error messages in the Application event log for each private store when you restart the servers:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9562
Date: 6/16/2000
Time: 0:00:00 AM
User: N/A
Computer: ComputerName
Description:
Failed to read attribute userAccountControl from Active Directory for /o=First Organization/ou=First Administrative Group/cn=Recipients/cn=SystemMailbox{79A2634C-6491-45A0-8C5C-16ACB8C4FEEE}.

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Event Type: Error
Event Source: MSExchangeIS Mailbox Store
Event Category: Logons
Event ID: 1022
Date: 6/16/2000
Time: 0:00:00 AM
User: N/A
Computer: ComputerName
Description:
Logon Failure on database "First Storage Group\Mailbox Store (MURPH4)" - Windows 2000 account NT AUTHORITY\SYSTEM; mailbox /o=First Organization/ou=First Administrative Group/cn=Recipients/cn=SystemMailbox{79A2634C-6491-45A0-8C5C-16ACB8C4FEEE}. Error: -2147467259

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Event Type: Error
Event Source: EXOLEDB
Event Category: Events
Event ID: 116
Date: 6/16/2000
Time: 0:00:00 AM
User: N/A
Computer: ComputerName
Description:
Microsoft Exchange OLEDB was unable to initialize event system correctly. Support for store event may have been disabled. HRESULT = 0x80004005.

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Resolution

To resolve this issue, manually rebuild the Recipient Update Service (RUS) so that every user object receives the correct attributes. To rebuild the Recipient Update Services follow these steps:

1.	Open Exchange System Manager.
2.	Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
3.	Expand Recipients, and then expand Recipient Update Services.
4.	In the right pane is a list of all Recipient Update Services, in this pane right-click each Recipient Update Service, one at a time, and then click Rebuild.