>The symptom: Scan a bar code and the system hangs for almost a minute. This is intermittent. It happens 2 or 3 times a day, no discernible pattern. There are two registers, one of which hosts the data in this peer to peer network, and it happens on both of them. The only difference in this store from the others is his workstations have 2G of memory and all other stores have 1gig or less. I did restrict the memory use by VFP.
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>I added a SET COVERAGE for the part of the app where it adds products to the sales list. The coverage file does NOT have any long pauses listed. Maybe it is possible that the entire machine is going to sleep ?? Even the system clock ??
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>I brought the main computer to my office and reloaded the entire app and then loaded his data. Even with two other work stations attached, it worked flawlessly all weekend. Took it back to store and same problem.
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>Any suggestions ??

Try /Maxmem switch in boot ini and restrict memory at OS level and swap sticks to make sure a possibly defect one is circled.
But my hunch would be some stupidity at the OS/TCP/IP level.

HTH

thomas