Please let me know how to check updated policy on client side?
What Product is this for?
This has already been answered in your previous post
Attachment Policy in Data Motion
The answer is recapped below:
If you review the activity log in the %wgndatadir%\Log directory you will see the machine policy loading when the machine starts up. You can compare the version of the machine policy recorded in log against the version reported in the machine hierarchy in the administration console (ACon)