• Active Directory,  Exchange 2010,  Exchange Online,  O365

    Error: MigrationRecipientNotFoundException: A recipient was not found for “mailboxName”

    If you received the error “Error: MigrationRecipientNotFoundException: A recipient was not found for “mailboxName”” when migrating a mailbox to Exchange Online (Office 365) then check for the below AD attributes. The error from the Exchange Admin Portal on Office 365: Open the on premises Exchange Management Console and search for the user. You should see the mailbox shows it’s a Linked Mailbox instead of a Remote Mailbox as expected: To rectify this, open AD Attribute Editor and browse to the msExchRecipientTypeDetails attribute. You should see the below: Change the Value of 2 to 1 for msExchRecipientTypeDetails as you need the mailbox to show as a user mailbox on premises before…

  • Exchange 2007,  Exchange 2010,  Exchange Management Shell,  Microsoft Exchange

    Unable to access or move a mailbox receiving error the mailbox is disabled when it’s not

    If you ever try to move a mailbox and you receive an error that the mailbox is disabled but you have checked and the mailbox is not disabled then try the following: (other errors we received was trying to access the mailbox using Outlook Web App and stating it’s disabled or from Outlook stating you need to connect to Exchange) Verify that the mailbox is indeed not disabled. If not proceed to the next steps Open Exchange Management Shell and run: Set-CASMailbox -Identity mailboxSMTPAddress@domain.com -MAPIEnabled $False Wait for replication Run: Get-CASMailbox mailboxSMTPAddress@domain.com (check that it shows MAPI Enabled is false) If MAPI Enabled is false run: Set-CASMailbox -Identity mailboxSMTPAddress@domain.com -MAPIEnabled $True Wait for…

  • Active Directory,  Exchange 2010,  Exchange Management Shell,  Microsoft Exchange

    VB.Net application unable to connect to some Exchange 2010 mailboxes

    We had an interesting issue last week where a Visual Basic .Net application could connect to some mailboxes but could not connect to other mailboxes on Exchange 2010. The application uses MAPI to connect to the mailboxes. We were however able to access the affected mailboxes using Outlook and with the MFCMAPI tool from the application server. We moved the affected mailboxes to other servers and databases but the application could still not connect to the affected mailboxes. We then added our CAS Array name and IP in the application server’s host file and checked the Exchange RCA logs. We could not see any connections from the application server to…