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Microsoft DotNet
Microsoft Dot NET Framework
Impersonate call fails even after duplicating token
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[QUOTE="Guest, post: 3676848"] here is the code: IntPtr token1 = IntPtr.Zero; int loggedOn = -1; loggedOn = LogonUser(lpszUsername,lpszDomain,Pwd,LOGON32_LOGON_INTERACTIVE,LOGON32_PROVIDER_DEFAULT,ref token1); if(loggedOn == 1) { IntPtr dupeTokenHandle = new IntPtr(0); bool retVal = DuplicateToken(token1, SecurityImpersonation, ref dupeTokenHandle); WindowsIdentity newId = new WindowsIdentity(dupeTokenHandle); CloseHandle(dupeTokenHandle); CloseHandle(token1); System.Security.Principal.WindowsImpersonationContext wimp = newid.Impersonate(); } The Impersonate() line fails with this error: System.Security.SecurityException: Unable to impersonate user. [/QUOTE]
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Impersonate call fails even after duplicating token
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