Export and Reimport DNS entries from one server to another

Wolf
Wolf used Ask the Experts™
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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?

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Commented:
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?

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Commented:
How do i do that?

Running 2003

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

Commented:
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.

Commented:
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...

Author

Commented:
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?
Commented:
1.  For the DNS server when you set it up as first dns server as master dns server, and the second dns server as secondary server.  Which the secondary dns server get the update zone file automatically from the master server.   However if you do that, when the master die, the secondary server will not able to serve the dns function after the zone file expires on the secondary server if you didn't fix the master dns server or not even notice the master dns server got problem.

2.  If you maintain it as two individual sever, that will not have the issue because those are two independent server so either one die the other one will still functional, which is what I prefer to do.   You just need to make sure both server got the same dns zone files.

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