Strange Problem with seven and xp in domain

[rmbali]

i have a network with xp client now i added a winseven computer to lan but via seven access to shared folder was very low in speed sometimes but in xp client it is very fast
another problem is when access to many resource in lan (Shared folder) Sometimes need username and pass and sometimes dont need

 

[kegobeer]

You said "domain" - are you running active directory, and if so, what server OS are you running? Or do you mean "workgroup" instead?