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Wolf
Flag for United Kingdom of Great Britain and Northern Ireland asked on

Export and Reimport DNS entries from one server to another

We have had a DNS server that has had to be reinstalled.

It has been running for quite some time and has considerably less DNS entries compared with every other DNS server in our Domain.

Rather than manually putting in all the records is it possible to transfer the DNS records from another DNS server onto this one?

Thanks
DNS

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pcchiu

8/22/2022 - Mon
pcchiu

You can copy the dns files from one server to another and reload/recreate dns with the existing zone file.

What version of dns server you're running?  2000/2003/2008?

Wolf

ASKER
How do i do that?

Running 2003
elawad

put the new DNS server as secondery zone for the primary one on your domain and let it retrieve the recoeds automatically.
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fblack61
pcchiu

1.  Make sure you make a back up copy for all your zone file before you process(just make a copy of those file somewhere)
Usually those locate at:
C:\WINDOWS\system32\dns
2.   Copy the zone file/directory from the source server
C:\WINDOWS\system32\dns
3.   Overwrite the existing zone file from the server you want to have the same exact zone file.
C:\WINDOWS\system32\dns
4.   Reload each dns zone(Right click on the zone and reload) and that should load the update zone file from the other server.

pcchiu

Put the secondary dns as secondary zone will work however if the master dns server die the secondary dns server will die as well.   I prefer to maintain those as separate server...
Wolf

ASKER
Thanks

Not quite sure what you mean by:

Put the secondary dns as secondary zone will work however if the master dns server die the secondary dns server will die as well.   I prefer to maintain those as separate server...

If they both have the same files, and one server dies does that mean the second server will fail as well?  How do i copy the files accross but ensure that they are kept seperate enough for redundancy?
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pcchiu

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