Somewhat OT: SOA serial wraparound and Windows DNS Server slaves

Chris Thompson cet1 at
Tue Sep 29 12:03:51 UTC 2009

This is strictly off-topic for bind-users, but if (like us) you are in
the unfortunate position of having many Windows DNS Server instances
stealth slaving your zones, and are planning a wrap around increase 
of your SOA serial numbers, all nicely in accordance with RFC 1982
(13 years old, for ${DEITY?}'s sake) ... take a step back.

As late as Windows 2003 R2, and maybe later, they just can't cope,
and go into a state of trying to refetch the zone at embarassingly
short intervals. One has to do the (GUI! aargh) equivalent of BIND's
"rndc retransfer" operation on them to sort this out.

Chris Thompson
Email: cet1 at

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