DFS Slowdown on Windows Server 2012 R2

The other day, the file server started showing up by not serving any shares. Initially it happened once in a week which was solved by a reboot and then it started started to occur almost every hour.
The DFS replication service was showing 99% CPU usage during all of this.

After a bit of research, a hotfix for DFS (KB 3172614) released July 2016 was available.

After the installation of hotfix, the DFS replication service CPU usage came down to tolerable levels.


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