As soon as we have any changes on Process Form the one has to upgrade the form version for all the existing provisioned user accounts in OIM System, to do so one can run the scheduled job: Form Upgrade Job ( This job takes longer time to run)
or run the following sql query, below is the example for AD.
update UD_ADUSER set UD_ADUSER_VERSION=(select sdk_active_version from sdk where sdk_name='UD_ADUSER');