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Exchange: Inkrementell backup ikke fungerer når ”circular logging” er aktivert.

Gjelder for MS SQL modul.

No. Type Timestamp Backup Logs
1 Info YYYY/MM/DD hh:mm Start [ Windows platform (AhsaySupport), AhsayOBM 5.x.x.x ]
2 Info YYYY/MM/DD hh:mm Start running pre-commands
3 ... ... ...
* Error YYYY/MM/DD hh:mm CExBackup::backupService:HrESEBackupSetup: Error Number 0xc800020e: An
incremental backup cannot be performed when circular logging is enabled
  • Cause:
The message suggests that a transaction log backup cannot be performed if the corresponding information store has circular logging enabled.
  • Resolution:
To resolve the issue, please disable circular logging of the corresponding information store, and restart the "Microsoft Exchange Information Store" service afterward.

Furthermore, please also perform a full MS Exchange server backup instead of transaction log backup straight after disabling circular logging. This would ensure that the data on server are all backed up properly.
  • Also See:
  • Other Info:
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    Eirik Leirgulen

    To enable or disable circular logging:

    1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
    2. If the Administrative Groups branch exists in the left pane, expand it, expand the appropriate administrative group's branch, expand the Servers branch, and then expand the appropriate server's branch. If the Administrative Groups branch does not exist, expand the Servers branch in the left pane, and then expand the appropriate server's branch. To expand a branch, double-click the branch or click the plus sign (+) to the left of the branch.
    3. Right-click the storage group you want, and then click Properties.
    4. To enable circular logging, click to select the Enable circular logging check box, and then click OK. When you are prompted to continue, click Yes.

    To disable circular logging, click to clear the Enable circular logging check box, and then click OK.
    5. Restart the information store. To do so:
    1. Click Start, point to Programs, point to Administrative Tools, and then click Services.
    2. Click Microsoft Exchange Information Store in the right pane, and then on the Action menu, click Restart. If a dialog box appears stating that additional services will be restarted, click Yes.

    NOTE: The information store must be restarted because when it starts, it reads configuration information from Microsoft Windows 2000 Active Directory. The Active Directory attribute associated with the circular logging setting is called MSExchESEParamCircularLog. When circular logging is enabled, this attribute is set to 1. When circular logging is disabled, it is set to 0.

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