arcserve-KB : Restoring a Microsoft Exchange database to a compressed volume or directory may fail or database may dismount after restore.

Last Update: 2016-11-23 15:31:30 UTC

Products: CA ARCserve D2D r16.0,r 16.5


Restoring a Microsoft Exchange database on to a compressed volume or directory is not recommended or supported by Microsoft. This can lead to a dismounted state of the database after restore.


As a workaround, move the database path to an uncompressed volume or directory before restore and perform the restore again.

More Information:

Microsoft KB Article,

For best practices on NTFS compression in Windows,

CA ARCserve D2D Release Notes,

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