Check DFSR for Backlogs

Goal:   

Determine if file share replication is up-to-date between shares.

Problem:  

DFS replication propagation reports show usually high replication times (e.g., 11 days instead of 11 seconds).  Users complain about missing data.

Solution:  

Use DFS diagnostic commands to check for backlogs.  Large backlogs indicate replication problems (e.g., insufficient staging size, failed pre-seeding, etc.).

Example:


C:\dfsrdiag backlog /rgname:"contoso\data\content" /rfname:Namespace-Folder /sendingmember:server1-hostname /receivingmember:server2-hostname

No Backlog - member 

 References:

https://blogs.technet.microsoft.com/filecab/2009/05/28/dfsrdiag-exe-replicationstate-whats-dfsr-up-to/
https://blogs.technet.microsoft.com/askds/2010/09/07/replacing-dfsr-member-hardware-or-os-part-2-pre-seeding/



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