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IIS 8.5 403 - Forbidden: Access is denied for all sites after renewal #517
"403 - Forbidden: Access is denied.
On ALL SSL sites after letsencrypt renewal process
Below is the output from command-prompt
Thank you for asking.
Prior to this we had tried everything including: ...
This did not work for us and observed that running the win-simple executeable had generated 99+ empty bindings for no reason.
We would like to ensure a smooth and less time consuming process in future - so any light you can shed on this would be helpful.
I don't see anything strange in your program output, it looks like a perfectly normal and successful renewal. It's too bad that you haven't been able to figure out the root cause for the 403 errors. That might have helped us to figure out the exact cause.
What I can tell you is that v1.9.4 changed the way of renewing certificates in IIS. Instead of altering the binding, it removes the existing one and re-creates a new one with the same settings and the new thumbprint. According to some users that increases reliability (see #371). I would advise you to test renewals with the latest release and the