Network intermittently dropping the connection to shared files on server

J

Jon Lewis

Hi

We have a small network < 5 clients connected to a new Dell PowerEdge server
with integrated Broadcom NetXtreme (not NetXtreme II) NIC running SBS 2003.
The previous server was a Dell running SBS2000. Apart from replacing the
server, the topology of the network is exactly the same as it was
previously.

Two shared files on the server are accessed often by client applications.
An Access mdb file and a QuickBooks data file. There have been no previous
problems with these files but since the new server has been installed,
intermittently, the client apps report that the connections to the files are
lost. This happens on more than one w/s and with both client apps at the
same time so clearly the problem is at the server. The connections can be
restored immediately by restarting the apps so the problem appears to be a
momentary lost of connectivity. This is the only manifestation of the
problem that I am aware but there may be more.

I'm aware that there is an issue with a certain model of Broadcom integrated
NIC used by Dell but they are adamant that it's not the NetXtreme.

Having said that, Dell have replaced the NIC (and motherboard) but the
problem persists. We've also run various Dell diagnostic tools which cast
no light on the situation.

Other than installing a separate NIC (which Dell won't do) has anyone any
ideas to diagnose or solve the problem

TIA
 

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