A company uses Exchange Online. The company creates a public folder mailbox named Pub1.
A user named User1 reports they are unable to access Pub1.
User1 reports they receive the following error message after you configure the permission on Pub1:
There is no existing permission entry found for user: User1
You need to resolve the issue. Which cmdlet should you use?
A. Update-PublicFolder
B. Update-PublicFolderMailbox
C. Set-PublicFolder
D. Update-PublicFolderHierarchy
E. Set-MailPublicFolder
