Sql-server – Why SQL Server Migration Assistant keeps crashing on the ‘Migrate Data’ step

sql serverssma

I'm trying to migrate a MySQL database to SQL Server using the SQL Server Migration Assistant for MySQL. Converting the schema and synchronizing with SQL Server works fine.

However, after clicking the Migrate Data button, SSMA crashes after a few seconds (SSMA has stopped working). What might be the cause of this problem?

Best Answer

One more thing that helped me in addition to setting affinity to Core 0 only:

SSMA stopped crashing after I set Parallel Data Migration Thread Count to 1. You can find it in Tools > Project settings > Genaral > Migration (in the left pane) > Parallel Data Migration. Set Parallel data migration mode to Custom and then Thread count to 1.

My current version is 7.0.0, MySQL ODBC Driver version is 5.3.6.

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