System Center 2016 Virtual Machine Manager (VMM) Agent deletes replicas on hyper-v hosts

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Symptom

After you install Update Rollup 17 for Azure Site Recovery, you may see that when the test VM is deleted from ASR or VMM after successful verification of test failover for Hyper-V replication, it causes the deletion of other replicated data/files (which are not related to the VM under test). In case of ASR, this results in critical state indication for the other replicated VMs.

This only occurs if you are on Update Rollup 2.1 for System Center Virtual Machine Manager 2016 or Update Rollup 12 for System Center Virtual Machine Manager 2012 R2.

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Cause

This is a known issue with Update Rollup 17 for Azure Site Recovery. This affects only customers on Update Rollup 2.1 for System Center Virtual Machine Manager 2016 and Update Rollup 12 for System Center Virtual Machine Manager 2012 R2.

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Resolution

This issue could require customers to re-perform the initial replication for protected VMs. There is no workaround for this issue.

To resolve this issue, download and install the following hotfixes.

Download and install this hotfix for deployments that run Update Rollup 2.1 for System Center 2016 Virtual Machine Manager
Download and install this hotfix for deployments that run Update Rollup 12 for System Center 2012 R2 Virtual Machine Manager

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