Fix: Veeam Failed to check whether snapshot is in progress (network mode). The RPC server is unavailable. Code 1722 1



Background

Whilst migrating some service roles from Windows server 2008 R2 to Server 2016 I noticed that the Veeam backups of the new servers were failing with the errorĀ Failed to check whether snapshot is in progress (network mode). RPC function failed. Function name [IsSnapshotInProgress] Target Machine [MachineName] RPC error. The RPC server is unavailable. Code 1722.

RPC_Error_1

It seemed likely this is a firewall issue, and it turns out it was.

The Fix.

It was pretty simple to resolve once I knew which firewall to enable. Enable the ruleĀ Remote Service Management [RPC-EPMAP]. This will allow the job to continue. This rule is disabled by default in server 2016.

RPC_Error_2

 

Ian


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