Permanent Backup server disconnections. VeeamDCS.log contains records like:
"A database error (code:0x80040E2F, ) has occured in context of INSERT INTO monitor.BpJob
"Error record 1 of 2: The statement has been terminated."
"Error record 2 of 2: Violation of PRIMARY KEY constraint 'PK_BpJob'. Cannot insert duplicate key in object 'monitor.BpJob'. The duplicate key value is (559a6208-5d3d-4323-bcf9-49a071e9575f, 137)."