Re: Domain authentication problem

Comments in-line
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Regards,
Newell White


"Ace Fekay [MVP]" wrote:

In news:C26B0389-F699-4993-AC21-D051820B31D2@xxxxxxxxxxxxx,
Newell White <NewellWhite@xxxxxxxxxxxxxxxxxxxxxxxxx> typed:
OK I guess that restarting DHCP service restored the default
configuration of Dynamic DNS, hence updates now enabled. My brain not
at full speed 8a.m. (UK time) on Monday morning!

So I will monitor memory usage of tcpsvcs.exe to see if MS have fixed
this bug, or to free up the memory as recommended in kb/939928 when
required.

Ok, so you followed the article's instructions to retrieve and install the
hotfix? If so, there's no need to disable DHCP's ability to automatically
perform updates for clients. Curious, what symptoms did you observed to
believe you needed this hotfix? So far I've handled a large client base and
have not ever had a problem or seen this issue. Maybe you can elborate so I
can understand.

No, as an ex-software author and supplier I am not a fan of hot fixes from
either side of the counter.
I followed the work-around.

Problem appeared a few months after I introduced about 16 reservations into
our scope.
So that these could be duplicated on both DHCP servers I allocated IP
addresses in an excluded interval.
3-4 weeks after server re-start (updates from MS) I got some warnings in
server event viewer that it was having to increase the size of pagefile.sys.
Investigation showed tcpsvcs.exe was using 290Mbyte RAM (1G installed) and 3x
as much virtual memory. A deeper look showed same thing had happened the
month before, cured by server restart.

Also, you mentioned this earlier:

/begin quote:
Somethimes when I ping some machine, the IP isnt returned. So I cant
reach those machines.
<snip>
9. Forwarder(s) configured?

Ace


I am not OP, I joined thread when you said to OP it was important that DHCP
server does Dynanic DNS updates - I was not aware then that restarting DHCP
server (apparently) restores this as default after I turned it off.
I was interested in why that is important when most LANs now only have
modern Windows versions where clients can register their own IP address with
DNS.

.

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