Windows 7 Mapped Drives

Our Windows 7 clients continually show mapped drives as unavailable until you click on them.  Then they work once you click on the mapped drives but any applications requiring mapped drives to be functional fail until connection in restored by clicking on the mapped drive in explore.  Is there a patch to fix this or registry setting to fix this from happening?

We even have one machine where the drive show disabled 100% of the time but still work when you click on them and don't refresh explore to show available.
Matthew FlemingAsked:
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NVITEnd-user supportCommented:
Possibly UAC?

How are you mapping the network drive letters?

Have you tried NET USE Z: \\sharename /persistent:y

Change Z: to your needs.
Matthew FlemingAuthor Commented:
No I haven't tried persistent.  I'll give it a try.

I have had similar problems on slow machines.
To fix it I used a login script with a delay to give the PC time to finish starting properly before mapping the drives.
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this may help also :  from :

To configure the EnableLinkedConnections registry value, follow these steps:
1.Click  Start , type   regedit   in the  Start Search    box, and then press ENTER.
2.Locate and then right-click the following registry subkey:

3.Point to  New , and then click   DWORD Value .
4.Type  EnableLinkedConnections , and then press ENTER.
5.Right-click  EnableLinkedConnections , and then click  Modify .
6.In the  Value data   box, type  1 , and then click  OK .
7.Exit Registry Editor, and then restart the computer.
Matthew FlemingAuthor Commented:
All suggestions will be used going forward.  What ended up fixing it was disabling the IPv6 on all connections.

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matfle, did you disable IPv6 to resolve the problem?
Matthew FlemingAuthor Commented:
Although the others may help the root of the issue was IPv6
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Windows 7

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