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Network Issues

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#1 Normanlives8


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Posted 02 January 2015 - 11:35 AM

I am having trouble with the connection to a server dropping out after about 1 minute.


We run 2 computers, one is our design computer and the other is our office computer. These are not connected in any way but are connected to separate networks.


Here’s some background about the network between the design computers. We run a very simple little network. It’s basically 4 computers plugged into a 100mbps switch which is plugged into an old desktop PC to act as our server. I am aware this isn’t the best or most secure setup but it’s cheap and it works. This does not have internet connection either.


We also have a second network that connects the rest of the office computers through the business. This is connected through a gigabit switch and does have internet connection.


I have upgraded one of the design computers from a 32 bit version of windows 7 to a 64 bit version. The system page did state the processor was 64-bit compatible and I have ran the Windows 7 Upgrade Advisor which didn't highlight any issues. This was in preparation for some new software we are having installed. After installing the new version of windows 7, I plugged it into the network which has an internet connection and installed windows updates available. However when disconnected it from that network and connected it to the design network it could not find the design server. It does find other computers on the network (some intermittently disappear then re-appear) but won’t find the computer we have set up as our server. In the network sharing option I have made sure discover-ability is turned on and file sharing is enabled. I have tried typing the server name when mapping the network drive and searching for it on the network but it cannot connect.


I swapped the Ethernet cable from the computer at the next desk (which does connect to the network) but there was no change. This lead me to believe it is not a problem with the network, but a setting is wrong on the computer. I have also downloaded and manually changed the network adapter driver to the 64-bit version but this didn't help either.


To complicate the issue further, I have found a way to get the computer to find the server. If I plug it into the network that has an internet connection for a few minutes, then swap back to the design network, the design server shows straight away in the network connections and allows you to map it as a network drive. However after less than 1 minute this connection drops out and you can no longer connect. Disabling/re-enabling the network adapter doesn't work, it has to be switched from the network with internet connection to the one without, and even then it lasts less than 1 minute.


So now I've got no idea at all... Any ideas welcome!

Edited by hamluis, 02 January 2015 - 04:01 PM.
Moved from Win 7 to Networking - Hamluis.

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#2 JohnC_21


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Posted 02 January 2015 - 11:55 AM

I am not sure this would be the problem but when you went to 64bit did you update the network adapter driver from the computer manufacturer's support site or did you use Microsoft's driver? You may have better luck asking a moderator to move the thread to the Networking forum.

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