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Win2K - Win9x - Network VREDIR error

By Flx ·
Hi All,
I'm having lot of troubles with a customer network and I'm asking help on this forum.

Network is as follow:
1) One PC acting as a Server with Windows 2000 Pro, it contains data files
2) One PC acting as a Server with Windows 2000 Pro, it acts as proxy server for Internet and email access
3) 8 clients with Windows 95 or 98

The big problem is that sometime (every day) some PC crash.
What we found:
a) 90% of crashes seem related to Excel use with a big shared file (about 5 Mb)b) The problem is that the client freeze and that any other customer looking for that file is waiting for that
c) looking at the server (Opened files) we noted that every time before to freeze the file to be opened appear two times (two lines on screen) one in Reading access and the second in Writing access. Normally, instead, we just have one line in R/W access
d) when the PC crashes, we have sometime blue screen errors (on client) with messages relating VREDIR error.

What we did,
1) after a while we looked at some articles and we updated (Dsclient.exe) Win95 and Win98 clients.
2) also after some reading we updated the server to Service Pack 3 (Win 2000 Pro SP3)

But still we have the problem.

We checked to transfer big filesfrom PC to PC to test the cables but all seems ok.

Another thing is that after downloading Win2K SP3 the customer copied it from Server1 to Server2 and it reported it took about 1 hour to get the copy.

All the PCs have 3Com 3C905 lan cards inside setted to 100Mbs Full duplex and all the traffic is managed by a 3Com Switch (Office Connect 10/100 16 ports).

I'm near to be crazy about that,
can someone point me to the right side.

TIA for your time and efforts.
Best Regards.

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by rgeiss In reply to Win2K - Win9x - Network V ...

This seems to be a problem with vredir.vxd.
Take a look at article KB293793 in
Troubleshooting... Search the knowledge base...
Also take a look at a feature called oplocks, more
on that in http/

Hope this helps


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