Get Progress on DFS Replication Database Cloning Import

As I wrote in a previous post, I began using the new DFS Replication database cloning technique to speed up initial sync. Thanks to Ned Pyle’s great How-To on the subject, I was able to tell exactly which events to look for in the event log to get an idea of progress: 2412 for the start of the process, 2416 for progress, 2404 for successful finish, and 2418 for an unsuccessful end (found that one out on my own, whoops!).

Since I clearly had a few hours to kill while the import happened, I wrote up a quick script to show the progress, with estimated time remaining.

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DFSR Database Cloning Import Fails - 0x00001129 - Error 4393 - The tag present in the reparse point buffer is invalid

Windows 2012 R2 introduces a great feature for speeding up DFS Replication initial sync: Database Cloning. The details are covered very well by Ned Pyle’s excellent blog posts, especially this one. Seeing as how this is pretty new stuff, there doesn’t seem to be a lot of documentation about the possible errors, and I encountered the one in the title.

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