Get-Mailbox <mail address or alias> | select-object WhenCreatedUTC, Name
Category: Mailbox
Remove EOL Automapping
Automapping is an Exchange & Exchange Online feature which automatically opens mailboxes with Full Access permissions in a delegate’s Outlook client.
Remove the access permissions. This also removes automapping.
Logon to Azure EOL (with MFA)
Business@contoso.ie is the mailbox being shared.
anna.grimm@contoso.ie is the account that has the access rights.
In EOL PowerShell
Remove-MailboxPermission -Identity “Business@contoso.ie” -User “anna.grimm@contoso.ie” -AccessRights FullAccess
Confirm
Are you sure you want to perform this action?
Removing mailbox permission Identity:”Business@contoso.ie” for user “anna.grimm@contoso.ie” with access rights “‘FullAccess'”.
[Y] Yes [A] Yes to All [N] No [L] No to All [?] Help (default is “Y”): select A
You might get this error
WARNING
Can’t remove the access control entry on the object “User” for the user account because the ACE doesn’t exist on the object.
So use
Remove-MailboxPermission -Identity “Business@contoso.ie” -User “anna.grimm@contoso.ie” -AccessRights FullAccess –Confirm:$false –BypassMasterAccountSid
Re-add the permissions but without Automapping
Add-MailboxPermission -Identity “Business@comtoso.ie” -User “anna.grimm@contoso.ie” -AccessRights FullAccess -AutoMapping:$false
Mailbox Rules
Get rules list
Get-InboxRule -Mailbox <mailbox name or alias>
Get detail on each rule
Get-InboxRule -Mailbox <mailbox name or alias> -Identity “<rule name>” | Select -Property *
Disable Rule
Disable-Inboxrule -identity “<Rule name>” -mailbox <mailbox name or alias>
Remove Rule
Remove-Inboxrule -identity <Rule Name> -mailbox <mailbox name or alias>
Get All Shared mailboxes permissions
Get-Mailbox -RecipientTypeDetails SharedMailbox -ResultSize:Unlimited | Get-MailboxPermission | select identity,user,accessrights | where { ($_.User -like ‘@‘) } | Export-Csv -path C:\temp\Shared.csv -NoTypeInformation
Purge Mailbox Deleted Items Folder
Get current Settings
Get-Mailbox service@contoso.de | Format-List SingleItemRecoveryEnabled,RetainDeletedItemsFor
or use
Get-mailbox service@contoso.de | fl *retention*,*retain*
Set New Settings
Set-Mailbox -Identity service@contoso.de -SingleItemRecoveryEnabled $false -RetainDeletedItemsFor 1
#Purges folder deletes after 1 day
Delete Items in Dumpster
Search-mailbox -identity service@contoso.de -SearchDumpsterOnly -DeleteContent
View Recoverable items in Dumpster
Get-MailboxFolderStatistics service@contoso.de -FolderScope RecoverableItems | Format-List Name,FolderAndSubfolderSize