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Category: Exchange 2010

As the process begins in removing Exchange 2010 from an environment, you might run into an issue where the server has Offline Address Books on it even though everything else has been moved off. The error you see below is quickly resolved by moving the Offline Address Books to another server: Now launch the Exchange […]

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Weak passwords is a common mistake with many email users or even admins that manage domains. I recently had the opportunity to demo the zerologon exploit and how it breaks your domain controllers in your environment. This means that Exchange will be broken as well. I am referring to CVE-2020-1472 and you need to have […]

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In Exchange 2010/2016, you might come across a strange error as shown below when sending email: Failed to process message due to a permanent exception with message Invalid named property Solution: To fix this problem, you need to move the mailbox to another store with a specific switch: New-MoveRequest “User” -DoNotPreserveMailboxSignature -TargetDatabase Store1 Once the […]

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In Exchange whether it is Exchange 2010 or 2016 or maybe even 2019, when you setup a Database Availability Group (DAG) requires Failover Cluster Manager to be installed and when the DAG is formed you can see it in Failover Cluster Manager. In normal circumstances your DAG members will come online after a reboot but […]

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