Hi ,
In order to narrow down the issue, would you please help collect the information below?
1.What's the exact error message when you cannot access admin share?
2.Was your computer a member of domain? or of Workgroup? Please clarify more details to help us understand your issue better.
3.Which account did you use to access ADMIN$ share?
Check if the following article can help with you:
Can't access ADMIN$ share using a local user or LAPS account
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Best Regards,
Candy
If the Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.