Great Advice. Thank you so much.

Cy

>>I am going to try this another way.
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>>Last time, the issue with loading a Combo Box with 12000 records, caused the whole discussion to be derailed into criticizing the Programming technique of using a Combo box.. So, Lets just forget the Combo-Box altogether.
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>I go for all possible speed. It's rare we programmers are allowed to tweak the NIC settings. You could switch to a smarter combobox and this would be a non-issue. http://www.tomorrowssolutionsllc.com/Materials/GranorInterfaces.pdf
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>I've got really complex forms loading in under 2 seconds on 100Mbps LANs. You've got 1 combobox taking longer than my enture forms even at your good clients.
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>>The problem is, I have ONE customer with seemingly slow network Speed. It effects opening and accessing larger tables across the network that are on the Server (as well as loading Combo boxes, etc). Just doing anything that has to do with accessing files that are across the network seems too slow. But when I access the same files on the Server (accessing data via the local disk) things are lighting fast again.
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>Why do you feel it is significant that the server accessing files locally compared to a workstation accessing the server's NIC via it's own NIC is fast? Of course the server accessing it's own hard drive is fast. SATA 3.0 is 6 Gbps where a NIC is only 1 Gbps divided by the number of concurrent users. If you're expecting the workstation to ever see the same speed as the server to it's own drive, it won't happen.
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>I did have a supposedly experienced LAN admin configure a server for a client. It worked fine until the next day. Turns out the guy put a super-intensive screen saver on the server. Everyone thought it was my program. As soon as I touched the server mouse, it all sped up. I switched it off. The client got a different LAN admin after that. So what the server is doing could be affecting things
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>OK. So now let's look at your secondary problem. Do all the PC's exhibit the same speed? Then it could be the server's NIC. If it's just one PC, then maybe its NIC is the problem. Is there a switch on the LAN? Any of these set to 100Mbps would cause the 10-100 times slower speed.
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>If you check the configuration of the NIC properties against a known working setup you may find a difference. Ensure the server's NIC is set to 1Gbps with full duplex, not half duplex. The workstations can be auto-negotiating because they should end up at 1Gbps.
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>Ensure the latest drivers are on the server's NIC.
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>IF that doesn't fix your problem, you then can do a lot of tweaking to the server...
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>http://support.microsoft.com/default.aspx?scid=kb;en-us;Q320829
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>There are programs that claim to optimize settings - try those on a known good working installation first and then on the bad ones. These will at least attempt to make a similar collection of settings. If possible backup the settings before attempting any optimization.
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>>The shop claims to have 1 GIG network gear, but I have customers at other locations running 1GIG network, where the same size tables open 10 to 100 timed faster.
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>>So, I am looking for any clues on how to test and optimize the network speed? For example a list of things to look for to optimize the LAN speed?
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>>As far as testing goes, I could write a little test PRG that would build a 1 GIG byte file, and then would TIME the transfer (COPY) of this file across the network. In which case, How long should a 1 GIG Byte file take at 1 GIG network speed ?
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>>Thanks