RPC request to the Microsoft Exchange Information Store service for log truncation

Hello all

Running Exchange 2013 CU3 on Windows 2008R2 sp1 in a two node DAG. We are seeing the bellow warning when running a backup. How to resolve this?

RPC request to the Microsoft Exchange Information Store service for log truncation failed for database CoramB3\Servername. Error: Failed to notify source server 'servername.coram.com' about the local truncation point. Hresult: 0xc8000713. Error: Unable to find the file. Also log files are not being flushed

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