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System error 85 has occurred. The local device name is already in use (net use)

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Windows provide Net use command to map or disconnect network drive. Type the following command in the command prompt (Start > Run > {type} cmd {enter})

                      NET USE [drive] [shared path location] /persistent:no

                                                              Persistent:Yes --> To restore the current connections at each logon, regardless of future changes

Disconnect mapped drives:

Type Command prompt>: NET USE * /DELETE   [Deletes all the mapped drives from the computer]

                                               NET USE [drive] /delete   --> deletes the mapping to the particular drive.

Common Errors:

- System error 85 has occurred. The local device name is already in use --> This means that you already have something mapped at that name. It happens a lot when you use logon script to map drives or when net use /persistent:yes  is generally used to map those network drives.

Resolution: 1. Use net use /persistent:no in the logon script.

                2. Add "net use * /d" command line in the top of the logon script so that the script will clean the all old mapping first.

                      3. Restart the machine (if that is an option)

How to do the above Via UI:  Start > Select Computer Right Click 

Comments

  • Anonymous
    January 27, 2012
    The comment has been removed

  • Anonymous
    August 08, 2012
    Windows provide Net use command to map or disconnect network drive. Type the following command in the command prompt (Start > Run > {type} cmd {enter}) NET USE [drive] [shared path location] /persistent:no Persistent:Yes --> To restore the current connections at each logon, regardless...

  • Anonymous
    May 15, 2015
    Thank you very much for this solution.  Adding the delete command and changing the persistence worked like a CHARM!