MacOS 9 Dynamic DNS Update

Anne-Marie Collins amc at
Tue Mar 7 02:45:15 UTC 2000

Disabling the DNS plug-in (for the Network Services Location Manager) in the
Extensions folder has stopped this for us.  With the plug-in enabled (the
default), MacOS 9 does try to dynamically update DNS with TXT records.


On Mon, 6 Mar 2000, Sam Wilson wrote:

> Way back in January Erik Freitag <erik.freitag at> responded to a
> question about MacOS 9 Dynamic Updates (I find from looking at
>, but it won't let me post a reply) with a reference to an
> Apple document at
> <>. 
> That document, however, doesn't seem to address dynamic update, just how
> to put static entries in using TXT records (and allowing the clients to
> transfer the zone to search it - yuck!).
> We've just started to hit those annoying "unapproved update" messages in
> our BIND log from Macs as well as Win2K machines and I wondered if anyone
> could provide any further detail on how the MacOS 9 dynamic update stuff
> is supposed to work and, more importantly, how to turn it off.
> Thanks in advance...
> -- 
> Sam Wilson
> Network Services Division, Computing Services
> The University of Edinburgh
> Edinburgh, Scotland, UK

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