I have a user that has a AD (Windows 2003) loginscript that maps a number of drives. The user has to traverse an external network to login to the domain. It is a pretty reliable connection but it's sometimes slow.

Here's how the loginscript is mapping drives:

net use x: \server\share /PERSISTENT:YES

Sometimes she logs in and no drives show up in my computer. The /PERSISTENT switch should make these drives permanent, but this is not the case. In fact, loginscripts shouldn't even be necessary if you use this switch.

I also set the group policy option for her computer:

computer config\admin templates\system\logon\always wait for the network at computer startup and logon

to enabled. This slows down her startup but decreased the frequency of there being missing drives.

I have windows 7 ent. on my machine and I reboot with the network cable unplugged and my drives show up still. Does anyone know what could cause these drives to disappear? Is there a setting or registry key I'm missing? Another GPO setting to try?

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i have the same issue w/ windows 7 business and file shares on a samba server. I had assume it was a samba problem. – iPaulo Aug 12 '11 at 20:23
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2 Answers

I've seen similar issues with lower drive letters ie f: g:, etc. If there is a local drive such as a usb device that is plugged in it will take prescidence over the mapped drive letter and cause problems even after it is unplugged, until the machine is rebooted.

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I've seen problems like this too in other situations. I forgot about this possibility, but our network drive letters start at h: and the user only has a c: and d: drive. Thanks for the pointer. – James Aug 15 '11 at 17:20
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In the system policy editor you can set the system to run a batch file at startup. That should be one way you could fix if you cant find the real answer.

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Thanks for the quick response. I know there are ways to run batch files from registry/gpo. I'm looking to map the drives without them disappearing. Is there something quirky going on with Windows 7 in terms losing drives. I think I may give this command a shot tomorrow: NET CONFIG SERVER /AUTODISCONNECT:-1 – James Aug 10 '11 at 22:40
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