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IIS Troubleshooting
Troubleshooting guides for Internet Information Services (IIS) in Nodinite environments.
HTTPS / TLS Hardening
- How to perform hardening on your Nodinite installation — Step-by-step guide to configure HTTPS, TLS 1.2+, certificate bindings, BackConnectionHostNames, and OCSP/CRL diagnostics for Nodinite v7
- How to perform hardening on your Nodinite v6 installation — Same guide for Nodinite v6 environments
Authentication
- IIS Authentication settings — Configure Windows Authentication, Negotiate/Kerberos providers, and kernel-mode authentication in IIS
- IIS Windows Features — Required Windows Server roles and IIS features for Nodinite to function correctly
- NTLM vs Kerberos Authentication — Diagnose and fix 4–30 second response times caused by NTLM fallback and LSA SID lookup floods; includes diagnostic PowerShell script
- For HTTP SPN registration when the IIS app pool runs under a custom domain account, see SPN – IIS Application Pool
HTTP Errors
- HTTP Error 405.0 - Method Not Allowed — Resolve 405 errors when PUT/DELETE verbs are blocked by WebDAV or IIS handler mappings