Stop WSUS client Updates

Two .net service pack updates have been accidently published from our wsus 2.0 server to over 4000 clients. I need to stop the updates downloading as the network card on the server is running at 100% due to the large amount of traffic and the server is unable to be used. I have disabled the lan and changed the updates to not approved but as soon as I enable the lan connections clients continue to download the updates. How can I stop this. I don't even know how to identify the updates on the server to manually delete the files \folder. server is running 2003 web edition and clients are xp pro.
jwiddoAsked:
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jwiddoConnect With a Mentor Author Commented:
Managed to solve issue by changing update to non approval and running wsusutil deleteunneededrevisions.
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Kentrix70Commented:
If you have active directory, you can use this policy

Computer Configuration\Adminnistrative Templates\Windows Components\Windows Update

to prevent the pc's from downloading the updates.

You can then gropu your pc's in different logical groups, and change the same
policy settings for them but reverse to enable wsus updates to them.

In that way you can controle how many pc's are updating in the same time.

Afterwards you might do the same by using more than one profile on the wsus server
so that you can control it better in the future.
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DonNetwork AdministratorCommented:
I would use group policy to manage the bandwidth used by updates, You most likely will experience this in the future otherwise. You can configure Bits to control your bandwidth.



Appendix E: Configuring BITS 2.0 and 3.0 for Download Performance
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McKnifeCommented:
You need to disapprove the updates. So list all recently approved updates and filter for .net/dotnet
If needed, then stewart's BITS will be the way.
So next time, look at the update sizes, too. Non-security fixes might be very large.
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DonNetwork AdministratorCommented:
Correction, the updates would have to be declined    : ^ )
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