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slow win2k domain logon on new Dell Dimension XP machines

nsriram asked
Last Modified: 2010-03-19

we have a win2k server defining a small domain (no more than a dozen PCs belong to this domain) on a 10/100 network.

Recently we got new XP Pro preconfigured Dell Dimension desktops. These have a choice of broadcom gigabit or Intel pro/100 cards (there are 2 cards in the PC). Both seem to work but we decided to use the Intel (as we are not on a gigabit network) option and it reports to be working at 10 Mbit mode

access to the net is fine BUT logon from these machines to the win2k domain is SLOOOOOOOW (2 minutes at least).. takes a while to load the settings and then apply them

the user profiles are very large on these machines (80 MB etc.) but the profiles for the same users on other machines are less than 1 MB.   I am not sure if this is the issue.

I tried looking for similar problems on EE and tried tweaking some MMC settings (something about logon) but to no avail. For what it is worth all of the settings in MMC for the older machines (they use 3com cards) are also not configured and there is no systematic difference that I can tell.

Would appreciate any tips to address the slow login and large user profiles problem..    AFAIK both xp and win2k are patched.
So its not clear why these DELL machines have this problem.

I check the network activity on the DELL machines it is very less compared to the older machines (where for some reason there are tons of packets being processed by the 3 com card)
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