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Accessing Mapped Drive on Same Local Machine

I have a local folder, C:\sharedfolder,  on a computer that is shared for other computers to access. The OS is Windows on each computer. The remote computer maps the shared folder as X:\, and the local computer also maps the same share as X:\. So, on the local computer X:\ is a mapped drive to \\localcomputer\sharedfolder. This works fine and allows a piece of software to access the shared folder as if it were a network drive.

My questions is this. How does Windows access that X:\ drive? Does it access it as if it were a real network drive and goes out through the Ethernet connection to loop back to the computer? Or is Windows smart enough to know that it is a local folder on the computer and will access it that way? I'm wondering if doing this will affect access time because Windows goes out to a switch or the Ethernet to get to it, and use up bandwidth.

Thanks in advance for the help.
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TallKewlOnez
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Thanks for that info TallKewlOnez. However, will that drive assignment persist after a reboot?
No, you would have to put that command into the autoexec.bat file.
Sorry my age is showing.  Add it to a cmd file (runatstart.cmd ) then save it to the
Startup folder
C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
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Darr247
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I hadn't thought about using 127.0.0.1 to map the drive with. I've been using the computer name which led me to think that it possibly had to go out to the network to see its own mapped drive. The reason I'm asking this is because I have a setup with a problematic domain controller that I thought might be causing an issue. However, if it all stays internal to the computer, then that is not what's causing my problem.