I have an ubuntu 11.04 machine with a samba share, which I access from a Windows 7 machine. Both have same username and password. The network drive is mapped and remembered on Windows. When I reboot the Windows 7 machine and start 'cmd.exe' and type 'net use' I see the mapped share listed as 'unavailable'. When I try to access it by 'N:' is says ""the system cannot find the drive specified". When I look in Windows explorer there is a red X in it. As soon as I click on it in Windows explorer it becomes available and now works as expected from 'cmd.exe'. I really want to automate the startup instead of having to manually 'initialize' the share with Windows explorer after every reboot ... help !

  • Is the windows 7 a machine with a wireless network connection? Guessing that the drive mapping (and initial failure) happens at bootup, then you have a network connection available. At that point, when the remap is mannualy attempted its a case of "oh yeah, that mapped drive". – jdh Feb 11 '12 at 13:54
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    It's a wired connection. It also happens consistently with drive maps to my FreeNAS server. The servers are up and running fine. This has been a problem almost as long as I've used Windows, I just haven't needed to automate it before so can't figure out what to type in 'cmd.exe' that has the effect of looking at the mapped drive in explorer. – Extreme Rationalist Feb 13 '12 at 15:13
  • Had same issue in a workgroup setup with Win XP (should apply to win 7 too) just before doing a backup to persistent network share with status "Unavailable". I wrote script that checks if net use|find "drive:"|find /v "OK " is true issues net use drive: \\sharename this changes status to "OK". Has same effect as a opening drive with "disconnected drive" status in Windows explorer. If your part of a Domain use @ben's solution – Scott R Feb 15 '18 at 17:59

I would make a startup script and place it in the startup folder (see code below for location). Copy and modify the contents below into a text file, and save as a .bat

::C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup
@echo off
::make sure you can see the interwebs
set ServerIP=www.google.com
ping %ServerIP% -n 2 | find /i "bytes=" > nul && goto Connect
ping localhost -n 180 > nul
goto Loop
::once you can see the interwebs, run your net use batch
net use /persistent:no
net use * /del /yes
::here you put your netuse command you want to run
net use w: \\mascotdata /use:HOME\mtnchkn supersecretpassword /persistent:no

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  • The approach of using 'net use' to delete and recreate the share worked (although I used a simpler syntax for 'net use' than that shown). Perhaps that's what Windows Explorer does as well. – Extreme Rationalist May 4 '12 at 21:36

By using "net delete" and "net use" you have to give full information including password in clear text. I do not like this.

My solution is the following batch file, placed into startup (with window mode in the startup-lnk set to "minimized").

You must adjust the drive letters to your needs.
Maybe the connect-waiting loop from Ben#s answer is needed (not in my situation).

@echo off
rem run Explorer minimized
start /min S:\
start /min N:\
rem wait a bit and close/kill both explorer windows (note: reverse order seems to matter)
timeout 2 /nobreak
taskkill /im explorer.exe /fi "WINDOWTITLE eq N:\\"
taskkill /im explorer.exe /fi "WINDOWTITLE eq S:\\"
rem repeat the close if it did not succeed
timeout 1 /nobreak
taskkill /im explorer.exe /fi "WINDOWTITLE eq S:\\"
taskkill /im explorer.exe /fi "WINDOWTITLE eq N:\\"
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