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I am going to change our DC IP address from 133.1.X.X to class c 192.168.X.X

I am going to change our DC IP address from 133.1.X.X to class c 192.168.X.X so I need to run dcdiag /fix ,, but the guy who install AD has create revers lookup zone  1.133 do I have to change it manually  to 168.192 or it will be change automatically.
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Ahmad Al Raeesi
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Ahmad Al Raeesi
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2 Solutions
 
arnoldCommented:
You need to add the 192.168 as well as the 192.168.X sub zones if you have not done that already.
Local DNS should often add the private IP space to speed up reverse lookups of private IPs as well as avoid transmitting reverse IP registrations.
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JaoibhCommented:
Delete all DNS entry's and recreate primary Zone.
Change your DHCP server first and delete all Address leases.
this shouldnt be more an an hours work if you take your time.

Best of luck

Dave
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Ahmad Al RaeesiAuthor Commented:
Ok I forget to mention one thing my Additional  DC2 which is still on old network 133.1.X.X is the last server in this network and Master Schema DC1 is already in 192.168.X.X, and the Reverse lookup zone is also configured to 1.133 i should change it also ?
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JaoibhCommented:
Yes you have to change it on all DNS servers
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arnoldCommented:
There is no need to change the 133.1 reverse zone until you are done.

If you have defined the 133.1 as an AD zone, deleting it on one DNS server from the AD will remove it from all DC/DNS servers in the domain.
Adding the 192.168 and 192.168.X as an AD zone to one will push the update to all DNS (note the options on the zone when it is being created.)
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Ahmad Al RaeesiAuthor Commented:
Anyway guys thanks for all your comments I will test it tomorrow. ana will let you know.
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Ahmad Al RaeesiAuthor Commented:
It's working fine but I have to run ipconfig  /flushdns to ping the SRV with it's new IP.. Thanks
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