Intermittent 2008 server connection issues

April 24, 2012 at 07:33:51
Specs: Windows XP

I thank anyone taking the time to read my post and respond. I also thank the administrator for making this forum public and hosting it.

My name is Jeremy and I am a doctor in a medical office. Although networking and computers are not my primary focus or occupation, I know enough to do most things that we need to do around the office with the network and computers. I certainly am good at following directions.

We have a "computer guy" who helped set up our server in 2009, but he is not a networking specialist and I don't believe he has any thoughts on how to fix this.

We have Windows Server 2008 Foundation and 10 computers accessing the server through a domain. In addition, we have about 8-10 other computers accessing the server through a workgroup connection.

We use a business / medical program for notes and billing records on the server that is accessible by all of these computers. The problem that we have been having is that some of the computers connected to the domain are losing their connection to the server and the business program intermittently. Surprisingly, this happens usually from 5-6pm daily on about 3 or 4 of the computers with regularity.

About 4 months ago, we did move our entire office to a new location. This involved moving the server and all of the computers and purchasing a new switch that piggybacks on the smart switch connecting to the server. We went from about 11 computers to around 16-17 initially. We're now up to 20. I had been using a couple computers to connect to the server using a workgroup even prior to this move, but I began using the workgroup connection for each additional computer because there was a cap on the number of computers that could connect through the domain. I would think if using workgroup access was causing the problem, there would have been issues before since this was nothing new. Once again, it is only a few computers with domain access that are having problems; not the workgroup connection computers.

I wondered if there was perhaps a scheduled event on the server that was causing these issues at 5-6pm. On the other hand, there is an event that happens at the end of the workday where we "close cash" on our business program, and this seems to trigger the disconnects on some of the computers.

I do think that changing the computers having problems to workgroup connections would probably solve the problem for those computers, but it would be a lot of work.

For the computers that lose connection, reboots are unnecessary. All that is needed to reconnect is to logout and log back on. Is there perhaps a shortcut or command that could accomplish a reconnection without logging back on?

Any thoughts on how to prevent these drops from occurring short of converting the domain connections to workgroup connections?

NOTE: Connection to the internet is unaffected by these drops. It only affects the ability to access the server - server files and such.

And I would like to say I apologize for my feeble knowledge in comparison to many of the individuals on the forum. I'm sure to be dwarfed in knowledge by many here. I will try to clarify anything if my terminology is found lacking.


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April 25, 2012 at 02:38:49
Intermittent issues are always the worst.

First thing is to check the ethernet cable. I had this same issue with a file server that I have on my network. The server would just drop when there was high network bandwidth, this thing drove me nuts for many weeks trying to figure out what was wrong. I finally tested with a different ethernet cable, no problems since.

The only other thing would be to go through the event viewer and try to find anything time stamped at the approximate time that this random disconnect happens.

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