Forum Discussion
andresneri1
Altostratus
Jan 20, 2026HTTP portal with the NTLM auth flow is broken on XC.
We are trying to protect an OWA365 portal with XC, but some requests with NTLM authentication show an Error 503 - Service Unavailable message in XC. I think that is the NTLM auth process because whe...
- Jan 21, 2026
XC distributed cloud does not support NTLM but it should not as NTLM is end of life from Microsoft . You should switch to kerberos as XC supports this when set to HTTP1.1 for client and server side.
Nikoolayy1
MVP
Jan 21, 2026XC distributed cloud does not support NTLM but it should not as NTLM is end of life from Microsoft . You should switch to kerberos as XC supports this when set to HTTP1.1 for client and server side.
Help guide the future of your DevCentral Community!
What tools do you use to collaborate? (1min - anonymous)Recent Discussions
Related Content
DevCentral Quicklinks
* Getting Started on DevCentral
* Community Guidelines
* Community Terms of Use / EULA
* Community Ranking Explained
* Community Resources
* Contact the DevCentral Team
* Update MFA on account.f5.com
Discover DevCentral Connects