Error While installing Exchange 2016

Exchange error
Pankaj VermaVMware ConsultantAsked:
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Valentina PerezExchange ServersCommented:
Hi Pankaj,

It seems that there are a missing security group created as part of preparing the AD.

Run setup.exe /prepareAD and it will check if it success.

After run again the exchange setup

have you untick ipv6 from network card properties on server?

If yes, tick it again and then try running setup again
IvanSystem EngineerCommented:

what server is rafo-msg? Is that some old DC removed?

Pankaj VermaVMware ConsultantAuthor Commented:
Thanks to all for you comments but  replication was not proper done in AD after 24hrs is completed & now its working fine

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Pankaj VermaVMware ConsultantAuthor Commented:
I solved this myself, thanks for Help Everyone
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