Allow UNC Paths at the Command Prompt (Windows NT/2000/XP)
Category: Home > Windows > Accessories > Command Processor
The Command Processor normally checks and disallows UNC names from being used for the current directory in the Command Prompt as they may cause problems with launched child processes. This tweak can be used to allow UNC paths and remove the warning message.
Open your registry and find the key below.
Create a new DWORD value, or modify the existing value called 'DisableUNCCheck' using the settings below.
Exit your registry, you may need to restart or log out of Windows for the change to take effect.
Note: If you enable this feature and start a Console that has a current directory of an UNC name, start applications from that Console, and then close the Console, it could cause problems in the applications started from that Console.
 |  |  |  |  |
|  | (Default) | REG_SZ | (value not set) | |
|  | DisableUNCCheck | REG_DWORD | 0x00000001 (1) | |
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| HKEY_CURRENT_USER\Software\Microsoft\Command Processor |  |
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| Settings: |
User Key: [HKEY_CURRENT_USER\Software\Microsoft\Command Processor]
Name: DisableUNCCheck
Type: REG_DWORD (DWORD Value)
Value: (0 = default, 1 = allow UNC)
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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.
Last Modified: January 8, 2003
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