Delegate access from oulook in Exchange 2016 environment

Question

Hi Everyone,

in our prod environment has exchange 2016 and outlook 2013-2019 clients.
one of our user delegate access via outlook to other user.

There is option to see who granted delegated access to mailbox via outlook in exchange PowerShell or something?
because i tried the "Get-MailboxPermission username" and can't see there the granted user

Answer 1

Hi @Arnold MIshaev

Agree with Andy, if you grant users permissions in outlook through right click folder or calendar properties > permission, you could use the command Get-MailboxFolderPermission
to get these information

For emample:

And if you want to check other permission like full access or send on behalf or send as, you could check the official document: Manage permissions for recipients

Full access:

Get-MailboxPermission "MailboxIdentity" | where {$_.AccessRights -like 'Full*'} | Format-Table -Auto User,Deny,IsInherited,AccessRights  

Send on behalf:

Get-Mailbox -Identity <MailboxIdentity> | Format-List GrantSendOnBehalfTo  

Send as:

Get-ADPermission -Identity <MailboxOrGroupNameOrDN> | where {$_.ExtendedRights -like 'Send*'} | Format-Table -Auto User,Deny,ExtendedRights  

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Answer 2

Try:

Get-MailboxFolderPermission  <user>:\calendar

etc...