It's possible that a fresh SP2 install sets some defaults in Control
Panel|Performance and Maintenance|Administrative Tools|Local Security Policy
that are too strict for your current configuration on the other machines. 
Compare the settings on the new machine to the other two and see if
something is different.

David Gillett


On 11 Dec 2004 at 18:48, Hugh Vandervoort wrote:

> A Google search turns up several possibilities, but if you're running
> "Norton AntiVirus or another third-party application may have corrupted a
> Registry entry on the computer you’re trying to connect to over a LAN"
> http://www.smartcomputing.com/techsupport/detail.aspx?guid=06c6d72f9c3844818
> 64a02b680ca2d12&ErrorID=21575
> ****************************************************************************
> ***
> Before building a new Main machine with XP Pro SP2 the network worked fine.
> I have 3 machines all XP Pro, networked together using D-Link Router, Cable
> Modem. My Main machine is a new build, which includes SP2. I used Network
> Setup Wizard and then created a floppy containing a "netsetup.exe" file to
> setup the other 2 machines, which do not have SP2.
> I enabled sharing the drives of all the machines and shut off the firewalls.
> I can access the 2 machines from my Main one, but I can't get access to my
> Main XP SP2 machine from either one of the other 2 XP machines.
> I get the following Error Message on both machines trying to access the
> Main:
>
> "C (or whatever drive or file I want) is not accessible.
> You might not have permission to use this network resource.
> Contact the administr
> ator of this server to find out if
> you have access permissions.
>
> Not enough server storage is available to process this command."
>
>            The NOSPIN Group is now accepting donations to help
>           defer the costs of providing PCBUILD and our website.
>            Visit http://freepctech.com to donate using PAYPAL

         PCBUILD maintains hundreds of useful files for download
                     visit our download web page at:
                  http://freepctech.com/downloads.shtml