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Exchange Server

Event ID 4999 and mailbox transport delivery service won’t start with Exchange Server 2019

After an upgrade to Microsoft Exchange Server 2019 CU11, the Exchange mailbox transport delivery service is unable to start showing error 1068 “dependency service or group failed to start”. Additionally, Microsoft Exchange Server Extension for Windows Server Backup starts and stops and returns the following event id 4999. Even installing Cumulative Update 10 for Exchange […] Continue reading →