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| 2018-02-10 17:37:23 +0000 | marked best answer | Domain Client Restartup - Ultimate Challenge I have problem where client computers connect to the domain just fine. I can ping devices by name and by IP address and I can access shares. But randomly (it could be hours or days) I will lose access to domain resources such as shares. I can still ping devices, though. To fix the problem I have enter the current IP address as an exclusion in order to force the client computer to request a new IP address. Once the new address is assigned everything is back to normal. Restarting the computer does not fix the problem. I figured that the problem is that the computer itself losses authentication with AD. If I delete the DNS entry for the bad IP address the entry is not added when the computer is restarted. But once the computer gets a new IP address the DNS entry is updated. Therefore, I decided that troubleshooting should be focused on before the user logs in. So I started to gather Wireshark captures. Since the client computers are in separate subnets from that of the Domain Controller I placed a capture computer in each subnet (one for the client and one for the server subnets). I gathered semi-synchronized captures from the bad IP address and from the good IP address. Since I don't have enough points to upload files here is the link to the files http://teknacion.com/wireshark Thank you very much in advance. Let's see who is the first to help me solve this mystery. |
| 2018-01-28 07:49:17 +0000 | commented answer | Domain Client Restartup - Ultimate Challenge The problem is that these are Cisco RV130W and don't have Cisco IOS access and no way to adjust the tunnel's MTU only th |
| 2018-01-28 07:11:16 +0000 | answered a question | Domain Client Restartup - Ultimate Challenge Again, thank you very much for your response. It did point me in the right direction. I believe I have solved the issue. |
| 2018-01-27 22:39:37 +0000 | commented answer | Domain Client Restartup - Ultimate Challenge Hello. I just performed another double-sided capture and determined that the router on the server side is indeed sending |
| 2018-01-27 17:51:15 +0000 | commented answer | Domain Client Restartup - Ultimate Challenge Hello. Thanks again for the help. I obviously do not specialize in network traffic analysis. This network is a VPN netwo |
| 2018-01-27 10:34:39 +0000 | commented answer | Domain Client Restartup - Ultimate Challenge Thank you for your response. Actually, both routers are the exact same model (RV130W) purchased at the same time and con |
| 2018-01-25 23:24:45 +0000 | asked a question | Domain Client Restartup - Ultimate Challenge Domain Client Restartup - Ultimate Challenge I have problem where client computers connect to the domain just fine. I ca |
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