'Windows cannot determine the user or computer name. The following event-entries occour typically: It looks rather the other way round that when more load is on the NIC then the connections is running into trouble.Īfter I checked the Windows-services and updated the NIC-driver to the latest, I made a BIOS-Update. So, after I read this discussion, I cannot comprehend the conclusion that this error is caused by NIC-inactivity. When I use the machine with 'normal' use like opening some websites, sending/receiving test e-mails starting/closing programs, I do not have the least issue and the number of event log entries are much less over time than when the user does his daily work. the network-connection is breaking down until the user reboots the machine (re-logon does not help) Outlook is losing the connection to the server and the user has to authenticate again

That one user causes much more load on the machine itself and on the network (demanding programs / network shares / a lot of e-mail traffic) than the other users with the 6000Pro machines. But only one user experiences issuses so far. Intel(R) 82567LM-3 Gigabit Network ConnectionĪll of that workstations show that events (s. We have the same issue here in our network with our six new HP workstations. Since this problem is across platforms and the driver is provided by Intel, couldn't someone from Intel get involved? We also have a case open with Microsoft for a Kerberos bug this triggers. Our XP systems log the same up/down/up, but aren't as sensitive to the dropped link during logon. When users log on and the network goes down after authentication, all kinds of problems ensue, including complete lock-out of the computer until reboot, missing desktop, load a temporary profile, and missing printer and share connections. We are required to save power with frequent S3 sleep. 5 or 6 kinds of switches STP off or Port Fast on BIOS standby setting S1 instead of S3 (fixes it, but S1 saves no power) Uncheck 'Allow the computer to turn off this device to save power' Force link speed on both client and switch (10, 100, 1000). The 11.6.92.0 driver helps a bit in that there is one link down after link up after resume from sleep, rather than 2 or 3 with older drivers (in most locations, that is - we have one lab where there are usually two links down/up after up after resume from sleep. I believe we have tried everything listed in this thread and others. We've been working on this for 10 weeks and have had a case open with Dell for 3 weeks. There are a few 780's at another campus that exhibit the same, but not 100% of the time (about 90%). On the 980, it went away with bios updated to A02.

We have the same issue with Dell Optiplex 960s (1600 of them).

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