something happened recently where I can no long connect to unraid via Https 

when I go to the  Management Access screen, I do not have the ability to renew the certificate, button is greyed out.

 

can anyone provide some guidance please

My guess would be to delete the contents of /config/ssl on the flash drive and reboot.

I tried what you suggested  but still had the same issue with the provisioning button being grayed out,  I was using ms edge web browser,  I switched over to firefox and the button worked,  but,  it then told me that dns rebinding was being enforced, which I believe was the root of my problem to begin with,  

I had recently got a new Goggle Nest Router and had to configure the dns to custom. then I was able to provision,   all is working now. 

thanks for your help!

@ljm42