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AXFR with dnscmd.exe

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Jose Santos

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Oct 15, 2008, 2:03:31 PM10/15/08
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Hi everybody!

Is it possible to initiate an AXFR with dnscmd.exe?

Many thanks in advance!

Greetings,
Jose

Meinolf Weber

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Oct 15, 2008, 4:13:36 PM10/15/08
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Hello Jose,

Basically server 2000/2003 uses IXFR and AXFR only for the first transfer
of a zone. Except there are NT4 or BIND 4.9.3 and earlier DNS server software.
Then also AXFR will be used.
Why will you change form the advantage of only replicating the delta to the
full transfer?

Best regards

Meinolf Weber
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Jose Santos

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Oct 16, 2008, 2:36:35 AM10/16/08
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Hello Meinolf!

Thanks for your answer!
You are completely right - it's by far better to use the IXFR. I was
just curious if there a 'hidden' option I did not find yet. I stumpled
above that question when I noticed that after a restart of the DNS
service on the primary DNS server the transfer of the zone was (although
IXFR) a complete one. Sure, the DNS service can't map the differences of
the RR anymore to the serial number of the zone.
So in a situation to make sure that the secondary zone is up to date, I
tried the AXFR with dnscmd.exe.

Never mind, but many thanks!

Greetings,
Jose

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