Windows server 2008 r2 repair network connection




















Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft can't guarantee that these problems can be solved. Modify the registry at your own risk. Restart the computer.

The computer should now be able to identify the network. Also, the profile on the firewall will be set to the domain profile.

Import the registry subkey that you exported in step 3 to the other computers that can't connect to the PDC from the domain forest. The computer should now be able to identify the network and the profile on the firewall will be set to the domain profile. If it's sufficient to identify the network profile based on the child domain name, then mitigating the time taken by NLA during its aggressive retries might be the right approach.

They've been working fine up until yesterday no noteworthy changes, just flicked external web traffic to one of the servers to on, so its receiving web traffic via Domino web services. I can log into the machines fine directly, but I can't figure out what's disrupting the connection. The error i'm getting is that the network can't be identified AD network, the servers are apart of the domain , as such, the server can't see the internet either.

So far nothing helpful in event viewer. Strange thing is, I've seen this before or similar , but can't remember how I worked around it Any ideas? I think the little switch below my desk is failing where the servers happen to be plugged into.

I unplugged the servers from that switch and right into the wall which of course goes to the main wiring closet and voila, network connected. I'll undergo the process to swap it out this week.

That probably means a physical connection problem. I decided on a whim to bypass the switch to test it and it worked That said however, I will be keeping an eye on that as it resembles a similar issue I ran into before with Windows Server R2.

I'll let you know if the problem returns. After an exhaustive and exhausting process of trial and error to determine the cause of this problem I did not initially make the connection between the Endpoint Protection upgrade and this issue , I finally determined that the Network Attack Blocker component was causing this issue. I disabled that component throughout my deployment, and have not had any connectivity drops in the three months that I've had that component disabled. I also had one instance when after re-enabling Network Attack Blocker I had a workstation lose its connection to one of the servers, and after disabling Network Attack Blocker again, the workstation which had lost its connection almost immediately re-established the connection on its own.

So, if you're having this problem, and are using Kaspersky Endpoint Protection 8, consider disabling the Network Attack Blocker component. Glad to know that you were able to fix the issue. Your efforts to resolve this issue is very much appreciated. Was this reply helpful?

Yes No. Sorry this didn't help.



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