Computers keep losing network drives randomly

Hi,

We have a client with a Windows 2003 SBS server and a few Windows XP machines.

When the machines log onto the network the netlogon script maps network drives back to the server. However, these drives keep disappearing randomy. Re-running the script brings them back, but our client doesn't really want to have to keep doing this.

Any help with this would be appreciated, as it is, we are unsure what to even look for.
kylegreigAsked:
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power_yycCommented:
Does anything appear in the event logs around the same time that those drives are lost?
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MariusSunchaserCommented:
How do you map them with the login script?
Do you use the /persistent switch in the net use command?
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kylegreigAuthor Commented:
Hi there, thanks for the posts!

The drives are mapped using a script. The script looks like:

\\SERVER\Clients\Setup\setup.exe /s SERVER
NET USE * /del /yes
NET USE Y: \\SERVER\share1 /PERSISTENT:YES
NET USE X: \\SERVER\share2 /PERSISTENT:YES
NET USE Z: \\SERVER\share3 /PERSISTENT:YES

I have not been able to identify anything in the logs that suggests what may be causing this on either the server side or the client side. If you can suggest something specifically that I could be looking for?

I have this problem happening on two different SBS sites. The first one is just using a normal batch file login script and the second one is using a KIX login script with the shares being created with the same commands above.

Both servers have sufficent CALS for the number of users that are connecting to it and in both cases, it is only happening on certain machines and not others. The hardware on the workstations differs on each site and in both cases, the servers are HP Proliant machines running SBS2003. One is an HP ML115 G1 and the other is ML150 G5.

Thanks again for the help!
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MariusSunchaserCommented:
Try to "hard map" the drives on 2 clients for troubleshooting purpose (From windows Explorer Tools-Map Network drive and check the reconnect at logon).
If this way the shares don't disconnect, means that shares are OK and connectivity is ok, and you should troubleshoot the login script, and the way domain policy is applied to map those drives.
If the shares keep get d/c, then I would suspect something on the client side (maybe user settings, or connection problems - maybe not stable wireless connection, or some other problems).
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Emredrum76Commented:
How many connections is it handling.  There is a limit to the number of consecutive sessions Windows will allow.  See this post and it might have some relevance..or none at all )

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/XP/Q_24014033.html

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MariusSunchaserCommented:
@Emredrum76:
Read carefully the question.
He said he has 2003SBS, and you gave him a thread about XP.
He also specified that he has enough CALs to cover licensing issues.
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ChiefITCommented:
I think I ran into a similar problem:

Netuse was denied from running. So, the drives were deleted and not re-established.

run the script while watching the command line window. If these are Vista machines or maybe XP with SP3, you might be running into a problem with running netuse:

http://www.experts-exchange.com/Programming/Languages/Scripting/Shell/Batch/Q_24367564.html
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ChiefITCommented:
By the way:

I still have not come up with a conclusive answer why netuse wasn't able to run on certain machines. My theory is they had no rights to edit registry and if I am not mistaken, each mapped drive is saved as a registry key. Upon logging on the drive disappeared, but were not able to remap with the "access denied" in the command prompt window upon logon.
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kylegreigAuthor Commented:
Thanks everyone.

ChiefIT: Did switching to VBS scripts fix your problem?
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ChiefITCommented:
Yes,

I ran the VBscript from the netlogon share and opened up ADUC to add just the file name to run from within the Netlogon share, It seems to understand the path of that script.

Now, I got to forwarn you that I avoid scripting like the plague. So, I stink at it. You will probably need someone else's help to edit the script.
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kylegreigAuthor Commented:
I have changed the script over to use a VBS script similar to the one you mentioned (I'm decent enough when it comes to editing scripts) and have deployed this to the client. Waiting for results now. Will keep you posted.
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kylegreigAuthor Commented:
Client reports problem no longer happening - thanks a lot.
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kylegreigAuthor Commented:
Thanks a lot - works great.
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ChiefITCommented:
excellent:

Thanks.
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