Microsoft Nps Certificate
Posted : admin On 19.12.2019I've not done this sort of thing for a while, but I used P/Invoke in VB and ran the API in a thread of its own.I know your question is in C#, but it's roughly the same. In the past, I've used to fade in/out a generated form that blanks over my entire application in.This neat little trick gives the effect of hiding/swapping/showing screens in a wizard like interface. Windows fade in and out.
- Microsoft Nps Eap Certificate
- Microsoft Nps Intermediate Certificate
- Create Certificate For Nps
- Microsoft Nps Certificate Template
With PEAP-MS-CHAP v2, PEAP-TLS, or EAP-TLS as the authentication method, the NPS must use a server certificate that meets the minimum server certificate requirements. Client computers can be configured to validate server certificates by using the Validate server certificate option on the client computer or in Group Policy. You also configure network policies that NPS uses to authorize connection requests, and you can configure RADIUS accounting so that NPS logs accounting information to log files on the local hard disk or in a Microsoft SQL Server database. NPS uses an Active Directory Domain Services (AD DS) domain or the local Security Accounts Manager (SAM) user accounts database to authenticate user credentials for connection attempts.
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I want to replace the SSL certificate that is used for PEAP on our NPS server that is doing RADIUS authentication for our Cisco WLCs. The current certificate is a SSL certificate that does Client Authentication and Server Authentication. We want to replace it with a wildcard that we use elsewhere in our domain to streamline management of our SSL certificates.
I read the Microsoft document here that outlines the requirements for using a 3rd party certificate with PEAP. The wildcard that we are using meets all of them. Microsoft support has been unable to resolve this issue for two business days now and their only response is: 'it must be a problem with the certificate,' but they cannot tell me specifically what about it is wrong, since it meets all of those requirements.
While my case is being escalated, I did some research and other people have had issues using 3rd party certificates with PEAP on an IAS/NPS server doing RADIUS. There has been no official response from Microsoft, as far as I can tell. Does anyone know for sure if a wildcard certificate can be used for PEAP?
MDMarra1 Answer
Microsoft Nps Eap Certificate
I was unable to get a straight answer out of Microsoft, but all signs pointed to the certificate. I ended up purchasing a single domain SSL 2048-bit certificate that does Client and Server Authentication and installed it on the NPS server. Things returned to normal at this point.
Microsoft's implementation of PEAP/RADIUS/NPS apparently just doesn't play nice with Wildcard certificates, even though they don't list this constraint anywhere.
Microsoft Nps Intermediate Certificate
Edit:
After speaking with someone on the Microsoft PKI team, I was told that since our wildcard duplicates have a Subject Name of *.OurSchool.edu and not of the server, that the Windows clients will reject it when negotiating PEAP. The server is explicitly listed by FQDN in the Subject Alternative Name field of the certificate, but apparently that makes no difference.
The support engineer did confirm that there are issues with many wildcard certificates because of this. If you use a third party CA that will allow you to get duplicates of your wildcard with the Subject Name field of your NPS server and move the wildcard to the SAN, then it should work fine. We did not test this theory, so take it with a grain of salt.
MDMarraMDMarraCreate Certificate For Nps
