OK, so here's a strange one. I have been running PBX Edition in AWS for testing. I wanted to use one of my standard licences to test so I could increase functionality (use BLF). I also wanted to restore my production in-house instance so I had all my settings and advanced config. I did the following steps. 1. apt-get purge 3cxpbx 2. apt-get install 3cxpbx 3. Ran the setup wizard. Chose restore. Chose to get a new let's encrypt cert. Filled in the rest. The installer finished and all looked good EXCEPT....my new certificates have the content of my old certificates. The names have changed to the new name, but the CONTENT is from the certs (different filenames) in my backup. This causes a cert error and I can't even access the web page by dns name. I can't provision phones either. So, is there an easy way to retrieve my actual certificate and key from somewhere to copy them back in over the top of the broken ones? If not what do I do to recover from this? If I start again I will end up at the same place unless I can manage to sneak in part way through the install wizard and rescue my letsencrypt certificates before the restore process replaces them again.