owncloud/core — pull request #6072 by DeepDiver1975 (2013-11-26 21:39:56+00:00)
Title: on mssql the schema migration sometimes fails due to an already existing...

... transaction - error: 'New transaction is not allowed because there are other threads running in the session.'

The solution is to simple reconnect to the database to start with a fresh connection

@karlitschek @bantu @bartv2 @ringmaster