Windows 8 Administrative Shares
For security reasons the built-in admin$ family of hidden shares has been disabled in Windows 8.
Windows 8 Administrative Shares
The situation: you try to connect to a network machine via a hidden share such as c$ or admin$ (\\ MachineName \ c$), and receive an error messages:
Use Regedit to Create LocalAccountTokenFilterPolicy Value
Type Regedit in the Search dialog box, best right-click the executable and 'Run as administrator'.
Once Regedit launches navigate to this path:
CurrentVersion\Policies\System (See screenshot below)
Once you are at this folder in the registry:
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LocalAccountTokenFilterPolicy Value Notes
The text book says create a new DWORD value called LocalAccountTokenFilterPolicy
What I did was create a QWORD (64-bit) called LocalAccountTokenFilterPolicy, that worked for me when the DWORD would not allow access to my 64-bit machine.
In either case, set the value to numeric 1 (meaning on), remember to click OK.
Mostly, the LocalAccountTokenFilterPolicy value gets created before you have a chance to set the data value; no problem, just double-click and modify the data from 0 to 1.
Firewall: While I made the connection with the firewall ON. If you cannot get this LocalAccountTokenFilterPolicy registry hack to work try adding File and Printer Sharing to the firewall's Allowed Programs.
The Default Remote Security Situation in Windows 8 and Windows 7
Even if a user is a member of the local administrators group on the remote target, by default, they cannot connect as a full administrator. The user has no elevation potential on the remote computer; thus if the user wants to administer the workstation with a Security Account Manager (SAM) account, it's best to logon using Remote Desktop. However, as discussed above, you could try creating LocalAccountTokenFilterPolicy.
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Microsoft client operating systems from Windows 95 to XP came with built-in hidden shares such as C$, ADMIN$ and IPC$. Actually, such hidden shares are more commonly used on servers, and are still present on Windows Server 2008 R2.
The purpose of these hidden shares is for administrators, or those in the know, to connect to another machine. Take the scenario where a user at MachineA knows the administrator's password on MachineB, they could view the files on the other computer by calling for the 'Run', or 'Search' dialog box and typing:
At this point they would probably get a request for username and password.
The $ dollar sign means that these network shares never show in the Explorer, indeed I know of administrators who created extra hidden shares simply by appended a regular share with a dollar sign, for example a folder called 'Stuff' shared with Stuff$, or even a folder called Stuff shared as Secret$ if you wanted a modicum of security.
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The Downfall of Hidden$ Administrative Shares in Windows 8
In a nutshell, hackers and robot computer attacks exploited these hidden shares, forcing Microsoft to take the ruthless approach and disable Windows 8 Administrative shares by default. Actually, this about-turn for built-in share accessibility started with Vista and continued with Windows 7, but at first few people seemed to notice.
Summary of Windows 8 Admin Shares
For security reasons shares such as Admin$ or C$ are no longer created by default on Windows 8 client machines. While there are work-arounds they are fiddly, thus a better solution may be Remote Desktop Connection.
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Microsoft Windows 8 Topics