Hi Zeeshan ,
Thanks for the post.
Can you please let us know more details about this Resource Group? Is this a static group or a criteria based group? What type of accounts do you have in this group? Windows, Linux or any other account types? Please go to Audit tab and send us the snapshot of the Audit you see after the reset was triggered. You can send to us through email to passwordmanagerpro-support@manageengine.com. We will verify the details and get back to you shortly.