DNS problem after Windows Update on SP2 machines

Posted on 2010-01-08
Last Modified: 2012-05-08
Hey guys,

  We just had some updates approved and installed through our WSUS server in a Windows domain environment. The problem is, after the install ALL of our XP SP2 machines had no internet access. Upon further review it seems the dns server is being reset to instead of our usualy dns servers that are assigned through dhcp. This problem affects only our SP2 machines, SP3 machines have no symptoms. If you do a release and renew or /registerdns you get the correct servers and internet connectivity back, but after about 30 minutes the DNS server is reverted back to causing connectivity problems. Upgrading these machines to SP3 seems to fix the problem although some of them then need a IE 7/8 reinstall, the clinet launches IE and there are no menus or text displayed in the taskbar entry for IE.

I know the workaround, but it's a long process. I was hoping someone here could give me some insight as to which update causes this and why. All the installed updates say they apply to SP2 and 3. I have included a screenshot showing the recently installed updates (1/7/2010). Any help would be greatly appreciated. Thanks in advance!
Question by:JReacher
    LVL 22

    Accepted Solution

    To figure out which of the updates might be causing the issue is a
    painstaking process which can only be done by the process of
    elimination since basically any one of them can be to blame.
    So you will have to go uninstalling each one one by one and aat the same
    time checking the issue.
    Microsoft,in its patch definitions,is not much of a help so pinpointing to the right patch
    and it's possible issues is time lost.Another option would be goggling for similar patches
    issues but that would take enormous amount of time.
    So if you ask my opinion,I would uninstall these recent patches one by one (regardless of
    what they are) and check.
    LVL 27

    Expert Comment

    by:Jason Watkins
    I would make sure all XP machine are at SP3, and have the latest updates.  Come 7/13/10, XP SP2 will no longer be supported.  
    LVL 19

    Expert Comment

    I know the questions finished, but in case anyone else finds this whilst searching for similar issues, and also has ZoneAlarm installed on their clients, this may be of help:

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