1. Create in the mission folder initPlayerServer.sqf containig
```
diag_log format["JIP = '%1' / Briefing ID = '%1'; JIP = %2"2'",_this select 1,getPlayerUID (_this select 0),_this select 1];];
```
2. Run dedicated server, setting presistent=1 or ask somebody to stay on the server while you disconnected
3. Run mission to the briefing
4. Go to the lobby by leaving the briefing and reconnect
5. Disconnect from the server and reconnect to the briefing again
6. Start the game and reconnect
Doing so you will see
step 3: JIP = false / Briefing ID = _STEAM ID HERE_
step 4,5: JIP = false / Briefing ID = ""
step 6: JIP = true / Briefing ID = _STEAM ID HERE_ - everything is fine after game starts
REPRO mission: {F60852}