Passive BlockMode lost during Log Backup

Chris 651 Reputation points


we use two Exchange 2016 with a DAG.

every hour during log backup (netbackup with Snapshot technologie) we get an error under Exchange - HigAvailability - BlockReplication

Passive BlockMode for database xxx failed to read data. Active was EX2. Error: Microsoft.Exchange.Cluster.Replay.NetworkEndOfDataException: Communication was terminated by server 'EX2': Data could not be read because the communication channel was closed..

It's only for 15-20sec. should we ignore this.

can we improve something

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,011 questions
0 comments No comments
{count} votes

Accepted answer
  1. Andy David - MVP 133.8K Reputation points MVP

    If its happening just during backups, I would not be too concerned. Exchange will fall back to file-mode replication in those cases. As long as it recovers and the database copies show healthy, it will be fine

    0 comments No comments

0 additional answers

Sort by: Most helpful