Ankur Bawiskar
Tera Patron

@vidhya_mouli 

but why you want your end users using portal to impersonate?

I don't think it's a valid business requirement.

If my response helped please mark it correct and close the thread so that it benefits future readers.

Regards,
Ankur
Certified Technical Architect  ||  10x ServiceNow MVP  ||  ServiceNow Community Leader