FRS to DFSR migration under 2008/2016

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    • DC1– Windows 2008 R2 64bit , SP1 (version 6.1 build 7601) (VM)
    • DC2– Windows 2016 Standard , 64bit , GUI (version 1607) (VM)
    • DFL/FFL : Windows Server 2008 R2
    • FRS in place (this is a single label domain domain which was migrated from W2000 to W2003 , then to W2008.R2 + W2016 . For some reason we dont want to change SLD to FQDN & want to keep it this way as long as possible)

    Few days back I was trying to perform FRS to DFSR migration and the process got stuck inDfsrmig /setglobalstate 2 stage (process hung) and things got messed up very quickly & in the end, I had to restore every thing from the system-state backup.


    I want to demote 2008 base DC and introduce another W2016 base DC but I am reluctant to perform FRS to DFSR migration again dueto last horrible experience which screwed 3 days.

    My question is

    • If I demote DC1 (w2008 ) and add another 2016 base DC, then Can I run the FRS>DFSR migration (if both DC’s are w2016) ?
    • If I have single DC (example 2008r2 or 2016) , can I go with FRS > DFSR migration? because migration on single DC would be more easy? any advise in this regard?


    I did this many times.  I run the FRS to DFSR migration when I have only a single DC, before any new DC is connected… it worked perfectly.


    I used this guide for Rebel Admin is very straight forward.

    Just like to add the above article is not mine it was done by DISHAN M. FRANCIS



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