Hi Vlad, In firebird.log the message is :
SRV-BM Thu Apr 05 14:30:51 2018 Operating system call MapViewOfFile failed. Error code 8 SRV-BM Thu Apr 05 14:30:51 2018 LockManager::LockManager() operating system directive MapViewOfFile failed Espace insuffisant pour traiter cette commande. Espace insuffisant pour traiter cette commande = Not enough storage is available to process this command Regards, Eric