Using Radius Authentication Peap-MSCHAPv2 for PA Management Interface Error: 400

Showing results for 
Show  only  | Search instead for 
Did you mean: 
Please sign in to see details of an important advisory in our Customer Advisories area.

Using Radius Authentication Peap-MSCHAPv2 for PA Management Interface Error: 400

L0 Member

Hi Guys, 


I was trying to add Peap-MSchapV2 for our Radius Authentication for Management Interface. 


I configured Radius Server Profile with PAP with Windows NPS, seems everything is working fine. And then I generate a new Certificate Signing request and signed by Organisations CA server, and downloaded the intermediate certificate etc and uploaded to PA and Testing Domain Windows 10 Machine. Once I switched to Peap-MsChapV2, the whole management interface is down for the error 400 SSL bad request. had to log in to CLI and delete the management profile and put it back. 





Wondering if anyone successfully configured management interface with authentication Radius "Peap MsChapv2"? We just want to have some Domain Admin Users to be able to log into PA to manage etc. Or we have to use Tacacs+ for this feature? 





Community Team Member

Hi @MangLai ,


Thanks for your post. Could you share a screenshot of your Radius server profile? 

LIVEcommunity team member
Stay Secure,
Don't forget to Like items if a post is helpful to you!

Please help out other users and “Accept as Solution” if a post helps solve your problem !

Read more about how and why to accept solutions.

Cyber Elite
Cyber Elite


Might have been the certificate profile since the certificate was changed? Also I would not recommend using a domain admin account to log onto the Palo Alto. Create new credentials that only log onto the firewall. I know its a pain to have multiple accounts, however its best practice so separate accounts and functions.


  • 2 replies
Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

Click Accept as Solution to acknowledge that the answer to your question has been provided.

The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!

These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!

The LIVEcommunity thanks you for your participation!