ASP.NET创建的线程的用户由 改为NT AUTHORITY\NETWORK SERVICE, 引起"System.UnauthorizedAccessException","拒绝访问"

Dim thr As Threading.Thread

Dim l As System.Security.Principal.WindowsIdentity

Function print()

thr = New Threading.Thread(AddressOf printAutoCAD)

thr.Start()

l = System.Security.Principal.WindowsIdentity.GetCurrent

End Function

Private Sub printAutoCAD()

System.Security.Principal.WindowsIdentity.Impersonate(l.Token)

...

End Function