1. Start Registry Editor (Regedit.exe). If you get the UAC prompt, acknowledge it.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
3. On the Edit menu, select New and then click DWORD (32-bit) Value.
4. Type LocalAccountTokenFilterPolicy to name the new entry, and then press Enter.
5. Right-click LocalAccountTokenFilterPolicy, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Exit Registry Editor. There is no need to reboot the machine.