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Does Exchange Server 2003 suspend (freeze) operations during a shadow copy?

April 26, 2017copy exchange freeze operations server shadow suspend

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Does Exchange Server 2003 suspend (freeze) operations during a shadow copy?

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Yes. Exchange Server 2003 will suspend operations to any storage group involved with a backup operation managed by the VSS. This suspension occurs primarily when the Exchange Server 2003 storage group is being backed up or restored by using the VSS. Remember that the storage group will also be frozen when the VSS is used to back up or restore the disk storage subsystem that contains an Exchange Server 2003 storage group. When an Exchange Server 2003 storage group is frozen because of a dependent system-state backup, it is treated as a copy backup (that is the transaction log and checkpoint files are not modified).