XADM: Event ID 9175, 9546, 9519 Messages Occur When Mailbox Store Fails to Mount

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This article was previously published under Q274534

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SYMPTOMS

When you use Microsoft Exchange System Manager to mount a mailbox store, you may receive error c1041724:

An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both. ID no: c1041724 Exchange System Manager

The following event ID messages may also be logged in the Application event log:

Event Type: Error
Event Source: MSExchangeSA
Event Category: MAPI Session
Event ID: 9175
Description:
The MAPI call 'OpenMsgStore' failed with the following error: The attempt to log on to the Microsoft Exchange Server computer has failed. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0512-00000000

-or-

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9546
Description:
Failed to create the Event Registration Mailbox for Database First Storage Group\Private Information Store (servername). Error - 0xbf69.

-or-

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9519
Description:
Error 0x80004005 starting database "First Storage Group\Private Information Store (servername)" on the Microsoft Exchange Information Store.

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CAUSE

This behavior can occur when a System mailbox object that is created for this mailbox store exists in the System Objects container. When you try to mount the mailbox store, an Exchange 2000 computer may create another object. Only one System mailbox object can exist for each mailbox store.

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RESOLUTION

To resolve this behavior, delete the System mailbox object that exists:

Start the Active Directory Users and Computers snap-in.
On the View menu, click Advanced Features.
Locate the Microsoft Exchange System Objects container, locate the System mailbox object that was created for the mailbox store that you are trying to mount, and then delete it.

NOTE: If there are multiple mailbox stores on this Exchange 2000 computer, you see multiple System mailbox objects. To determine which System mailbox objects you need to delete, compare the globally unique identifier (GUID) numbers of each of the System mailboxes on the mailbox stores that are running. To do so, use Exchange System Manager to view a mailbox store that runs under the Mailbox Store\Mailboxes container, locate the System mailbox object, and then record the long string of numbers that follow that are enclosed in parenthesis. After you record the GUID, return to the Active Directory Users and Computers snap-in and match the GUID. After you repeat this process for every mailbox store that is currently running, there is one account left that does not match a mailbox store; delete this account.

Or, an easier method is to use LDP.EXE for a dump file of the Mailbox store object that will not mount. Locate the "ObjectGuid" value. This is the GUID that you will use to identify the SystemMailbox object that needs to be deleted in the Microsoft Exchange System Objects (MESO) container.

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MORE INFORMATION

These event ID messages may occur if you modified your default recipient policy.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

271339 (http://support.microsoft.com/kb/271339/EN-US/ ) XADM: Unable to Mount Database - Event ID 9546

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