Re: Help with Zone tranfers keep breaking

Chris Peikert wrote:
Hell yall got me confused now. Uhhh. Yea Forrest A DNS has a
secondary zone for each DNS server in Forrest B and vise versa for
Forrest B. Just like the diagram i made earlier in the discussions.
The problem is for some odd reason the Secondary zones tend to break
if the one server that Server A in Forrest A wants goes offline. I do
not know much about conditional forwarding or how to do it instead of
Secondary Zones. I am lucky to get DNS working period.

If the Primary goes offline, it starts a countdown clock on the secondary,
when the Expire time on the SOA record expires, the zone expires and will no
longer answer with authority. By default the Expire time on a MS DNS
Server's zone is 1 day. Meaning, if the link breaks you have less than one
day to fix it, depending on when the last time the secondary refreshed its
data.
If you're running secondary zones I'd recommend increasing the Expire time
to 2 weeks, the RFC recommended expire time is 2 to 4 weeks for public
zones.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
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Relevant Pages

  • Re: Help with Zone tranfers keep breaking
    ... The problem is for some odd reason the Secondary zones tend to break ... if the one server that Server A in Forrest A wants goes offline. ... By default the Expire time on a MS DNS ... Kevin D. Goodknecht Sr. ...
    (microsoft.public.windows.server.dns)
  • Re: DNS error eventid 7062
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  • Re: Conditional Forwarding vs. Secondary Zone
    ... Conditional Forwaders: ... No ongoing maintenance (unless the master changes) ... Secondary Zones: ... Cannot be DS Integrated (must be configured on each server) ...
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