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The Microsoft VSS snapshot provider selected returned: "Unexpected provider error". Volume shadow copy creation: Attempt 1. "COM+ REGDB Writer" has reported an error 0x800423f4. This is part of System State. The backup cannot continue.
I came up to this error yesterday with a W2k3 SP2 DC/Exchange (also seen on W2k8).Volume shadow copy creation: Attempt 1. “COM+ REGDB Writer” has reported an error 0x800423f4. This is p…