• General IT,  IT,  Support

    DistributedCom (DCOM) error event ID 10016

    Several of the Windows 2016 servers I look after have been showing a DCOM error which appears as event ID 10016. The error reads “The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID {3480A401-BDE9-4407-8C02-798A866AC051} and APPID {30AD8C8E-AE85-42FA-B9E8-7E99E3DFBFC5} to the user xxx SID (S-1-5-21-391 5011649-XXX-2122644135-1731) from address LocalHost (Using LRPC) running in the container Unavailable SID (Unavailable). This security permission can be modified using the Component Services administrative tool.”

  • Exchange,  General IT,  IT,  Support

    Exchange 2013 Uninstall Error – generating an offline address book

    “This mailbox server is responsible for generating an offline address book” I was trying to uninstall Microsoft Exchange 2013 after moving to Exchange 2016 but kept getting the error “This mailbox server is responsible for generating an offline address book” in the Readiness checks. I ran ‘Get-Mailbox – Arbitration’ to verify all the mailboxes had been moved. Nothing appeared to be pointing at the old server and I could not find any mailboxes on the server. In the end, I ran ADSIEdit and found under Configuration > services> Microsoft Exchange > First Organisation> Address List Container > Offline Address Lists that the Offline Address Book had a reference to the…