Hi everyone,
I'm working in a municipality with the wireless network. For some weeks ago we have started having some issues with computers not being able to retreive an IP-address from our DHCP-server at the CTRL+ALT+DELETE screen.
We are using machine authentication with Clearpass and the client is accepted but the user is not able to login since the computer does not have an IP-address. If we login with a local user on the computer we can see that the wifi is connected but it has the yellow triangle above the wifi icon.
I have searched but not found any solution to this. Only thing I can find is that some logs differ in the clearpass logs, see attachments. Can't find any other issues with the keywords I'm searching on. It affects both our new environment and our old.
From logs:
2017-01-11 11:56:59,007 [RequestHandler-1-0x7f7acfbdd700 h=92935534 c=R004e36d8-01-58760f7a] WARN Core.SessionInfoOperations - Skip SessionInfoOperations::persistSessionInfo because of NULL NAD or NAD IP matching localhost
2017-01-11 11:56:59,007 [RequestHandler-1-0x7f7acfbdd700 h=92935534 c=R004e36d8-01-58760f7a] ERROR Common.NadClientTable - getNadClient: Unknown NadClient X.X.X.X
2017-01-11 11:56:59,008 [RequestHandler-1-0x7f7acfbdd700 r=R004e36d8-01-58760f7a h=92935535 c=R004e36d8-01-58760f7a] INFO Core.PETaskRadiusCoAEnfProfileBuilder - getApplicableProfiles: No radius_coa enforcement profiles applicable for this device
2017-01-11 11:56:59,012 [RequestHandler-1-0x7f7acfbdd700 h=92935541 c=R004e36d8-01-58760f7a] INFO Core.XpipPolicyResHandler - populateResponseTlv: PETaskPostureOutput does not exist. Skip sending posture VAFs
2017-01-11 11:56:59,012 [RequestHandler-1-0x7f7acfbdd700 h=92935541 c=R004e36d8-01-58760f7a] INFO Core.PolicyResCollector - getSohr: Failed to generate Sohr
2017-01-11 11:56:59,012 [RequestHandler-1-0x7f7acfbdd700 h=92935540 c=R004e36d8-01-58760f7a] INFO Core.PolicyResCollector - getSohr: Failed to generate Sohr
New environment
Controller: 7210
ArubaOS: 6.5.0.2
AP: Every model
Old environment
Controller: 3200
ArubaOS: 6.3.1.9
AP: Every model
Computers are HP and running Win7 and Win10. Random computers with random models are affected and doesn't mather if it is Win7 or Win10. Can't find anything interesting in the event viewer.
DHCP server is Windows 2012 R2. No logs of the computers exists when this problem occurs.
Only solution is to restart the computer a couple of times and then it works but as you can understand it is not a very good solution. Not sure this is an Aruba problem or if it is HP or Windows but hopefully you can help me.