We just upgraded to SP 2010 from 2007.
We have a Procedures manual library which uses OOB Collect Signature workflows for approvals. We opted to still use SP 2007 workflows.
The documents with all the Completed tasks and workflow history were successfully moved.
However after 3 days, 90 % of the tasks were updated, resulting in a deluge email notifications to most of signatories.
Why did this happen. Will this happen again. How do we prevent it from happening?