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Why is initial access slow on network?

By jim_kinee ·
I have recently added a Windows 2000 w/SP1 system to an NT4.0 w/SP6A network. When opening a file by double clicking in explorer the file takes an unusually long time to open (30 seconds or more for a 20K file). When opening a similarly sized file through the application the file opens almost immediately (as it should). It does not matter what the application is as the problems exist using MS Office, TIFFs or Adobe Pagemaker files.

The Server and the W2K system are using TCPIP. All other machines on the LAN are NT4 or W95 using TCPIP and do not experience the same problem.

What could be causing the problem?

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Why is initial access slow on network?

by tjmitch In reply to Why is initial access slo ...

I see many have tried to answer so here's my two cents. One of the interesting things about win2k is that it will temporarily disconnect shared drives and resources until they are needed. There is a registry settng you can modify under the lanman service. I am fuzzy on the exact key but a search on technet would fix this. I think the default is 900 seconds of no packets before it disconnects. This can be changed to 85,XXX seconds. It's worth a test in your environment.

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Why is initial access slow on network?

by jim_kinee In reply to Why is initial access slo ...

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Why is initial access slow on network?

by JWS1951 In reply to Why is initial access slo ...

You say the Server is running TCP/IP but what about the client? As you know the client sets the protocol and if you have a stack of them in the protocol list it will wind its way down through the stack until it finds a compatible protocol. check and see if IPX is also listed. remove everything except TCP/IP. this just happend to me yesterday at a client site and it increased the resolve speed

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Why is initial access slow on network?

by jim_kinee In reply to Why is initial access slo ...

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Why is initial access slow on network?

by emrahalpa In reply to Why is initial access slo ...

Maybe an answer...
Are you using Norton Antivirus 7.0X on the same machine? I had the same case on my machine with Win2000/sp1. Then I upgraded to Norton Antivirus 7.5 and everything worked fine.
This is something Technet also wrote about. According to it, SP1 has made this problem, and SP2 was supposed to solve it.

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Why is initial access slow on network?

by jim_kinee In reply to Why is initial access slo ...

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Why is initial access slow on network?

by jdfcomputer In reply to Why is initial access slo ...

When attempting to open a file across a network from explorer, Windows incorrecly send the application level in the network protocols as "explorer". If you are attempting to open a word file the system will not open the file until the correct application is identified by your computer and resubmited the request across the network to retreive the file contents. Try launching the file from explorer while you have the appropriate application open in a minimized window if the load time decreases.

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Why is initial access slow on network?

by jim_kinee In reply to Why is initial access slo ...

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Why is initial access slow on network?

by dc88228 In reply to Why is initial access slo ...

Try forcing new Browser elections. First, try using Browser monitor (NT Resource Kit) to determine which machines are the Browsers. Next, go and shutdown these machines (this force new elections). Now try performing your exercise to see if the problem persists.

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Why is initial access slow on network?

by jim_kinee In reply to Why is initial access slo ...

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