این راهکارهای ارائه شده توسط دیگران:
Right click on "My Computer", select Properties, Computer name tab, click on the change button. After changing it, you will have to restart the computer. Then on both computer, go to Start Menu, select RUN, type in cmd. Type nbtstat -R and you should be good.
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This means that you already have something mapped at that name.
Open up a command prompt (start -> run -> cmd)
then type "net use"
Look at all the connections in there, and remove the one that has the same name that you're trying to connect to by typing this:
net use \\server\drive /d
or
net use driveLetter /d
where drive letter is something like m: or y:
ref :"Local Device Name Is Already In Use" Error Message When You Save to Mapped Drive
The local device name is already in use