Causes
- Another process (such as anti-virus, desktop search or backup software) is accessing GSMME’s database file during the migration, causing the tool aren’t able to save a record of the message migration. It might lead to duplicate calender events and contacts if the migration is re-run at a later time for only new data.
Fixes
Step 1: Disable Software
Find and disable the software causing the issue for the duration of your migration.