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XADM: Error Attaching to Device When You Try to Back Up Exchange 2000 Store
Article ID: 294741 - View products that this article applies to.
This article was previously published under Q294741
When you attempt to start a backup of an Exchange 2000 Store, you receive the following error message:
You may see the following error in the application event log:
Error attaching to device ServerName\Microsoft Information Store\First Storage Group.
Event Type: Error
Event Source: NTBackup
Event Category: None
Event ID: 8012
The 'Microsoft Information Store' returned 'An incremental backup cannot be performed when circular logging is enabled. ' from a call to 'HrESEBackupSetup()' additional data '-'
An incremental or differential backup cannot be performed on a storage group with circular logging enabled.
Verify that the backup type is not set to differential or incremental.
For additional information about circular logging, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/258470/EN-US/ )XADM: How to Modify the Circular Logging Setting