You can bulk enable Password History for Passwords in bulk by creating a SQL query.
If you open SQL Management Studio > Databases > AuthAnvilPasswordServer > Tables > dbo.VaultTable
You will want to set the following values on the Vaults you want to enforce password history.
SaveHistory - Set the Value to True
EnforceHistory Set the Value to True
HistoryLimit Set the value to the number of passwords remembered.
If you have any questions or need some help, we would be happy to assist. Open a case at kaseya.zendesk.com .