Test and added -

net use z: /delete
net use z: //server/netlogon
copy "z:\test.dat" "C:\windows"
cls
exit

this still hangs on Please wait While you NT login Script runs. You can go ahead and hit any key and it will go past that and copy the file. Just afraid I will have 250 users calling me with my screen just sits there ......
Oh well they might just have to live with that for a couple of days.
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Stupid is forever - Ignorance can be fixed.