Federated portal/server, version 10.7. Webmap in Enterprise works fine. SDE gdb (postgresql) also works fine in Pro, but when trying to load the map in Collector the layers will not draw. Nothing in server or portal error logs. Anyone have this happen? We are shut down at this point with field work.
For sake of completeness, if this happens to anyone else, it was a time issue with our Primary Domain Controller (PDC), so all other servers were syncing an incorrect time. I guess when client iOS devices connected to our Enterprise Portal and tried to download a secured layer, the incorrect time would throw a security flag and not allow a download.
Of course, others weren't able to connect to network drives, VPN, ect... so it was a much larger issue then just Collector. A few w32tm cmds later and all is well.