Silent SSAS shutdown caused by writeback timeout

A number of customers using SSAS instances with writeback functionality reported frequent crashes that were not accompanied by any useful error message. The only hint found in msmdsrv.log close to time of crash was: (03.04.2016 13:30:21) Message: OLE DB-Fehler: OLE DB- oder ODBC-Fehler : Query timeout expired; HYT00. (Source: \\?\J:\Log\msmdsrv.log, Type: 3, Category: 289, Event…