Hi 1st you must check what has changed on that time after those are stopped to work. Probably some changes e.g. those UFs or servers have restarted, or some other network OS level change has deployed. Quite often these issues have arise after restart even actual changes e.g. in conf files has done much much earlier (but restart takes those into effect). Message said that there is no s2s connection between UF and Idx. You can try it with e.g. curl and look at same time with tcpdump what is happening on network level. If you haven't use those tools earlier, I propose that try to find someone familiar with those to help you. r. Ismo
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