Hello Narayan Das Kohli,
Thank you for posting in Q&A forum.
You can try to open CMD as Administrator and then run the command to see if it helps.
Here is a similar thread for your reference.
https://serverfault.com/questions/796312/frs-failed-sysvolcheck-on-all-domain-controllers
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
============================================
If the Answer is helpful, please click "Accept Answer" and upvote it.