ESET Protect repository problem after update to 9.1

[Robert Lubaszka 0]

I have very similar problem as described in

Another strange behavior: there is no information from computers with Agent ver 9.1. installed in "ESET Applications" dashboard, but there is full information about them in "Computers" tab. There is no information of outdated/actual state of eset products In computer "Overview" window, "Product & Licenses" panel. But "Everything is OK", no alerts, "Module status: Updated", last connection time is actual...

[Robert Lubaszka 0]

I've forgotten to mention, that I have offline environment, so "AUTOSELECT" server configuration is not an option. The machine serving offline http repository is working fine, all the files are accessible through web browser.