c$

Enable Administrative Shares (C$, etc)

by
  1. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  2. On the Edit menu, point to New, and then click DWORD (32-bit) Value.
  3. Type LocalAccountTokenFilterPolicy to name the new entry, and then press Enter.
  4. Right-click LocalAccountTokenFilterPolicy, and then click Modify.
  5. In the Value data box, type 1, and then click OK.
  6. No reboot necessary.