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Hyper-V Replication creates .HRU files what are those for

    Question

  • I have 2 servers with Hyper-V replication Enabled on that on the Primary server i am getting .HRU files if deleted those files what would be the result. should i delete those ? any expert suggestions please

    Regards

    RaSa


    RaSa


    • Edited by Syed_Rabbani Thursday, April 20, 2017 3:24 AM change the question
    Tuesday, April 18, 2017 8:21 AM

All replies

  • Hi Sir,

    It was quoted from following article:

    https://blogs.technet.microsoft.com/virtualization/2014/01/27/improvements-in-recovery-history/

    Best Regards,

    Elton


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    • Proposed as answer by D.Pope MCSE Thursday, April 20, 2017 3:25 PM
    Thursday, April 20, 2017 1:07 PM
    Moderator
  • To clarify, the HRU files are used as part of the Hyper-V Replication function. They are copies of everything written to the VHD/VHDX virtual disks and are synced to the replication server. Manually deleting them is not a good idea.

    Occasionally they can be left behind if Replication is not disabled cleanly. So, if you have disabled or are not currently using Hyper-V Replication and see HRU files with older dates, they can likely be deleted.

    Thursday, April 20, 2017 3:28 PM