Category: Exchange 2010

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 […]

After rebooting a server we found the following error in the event logs along with whole stack of others: Right, so the Microsoft Exchange RPC Client Access would not start. To fix this error, you can do the following: Locate the Remote Procedure call (RPC) Locator service and set it to automatic and then start […]

As part of the migration to Exchange 2016 you might have to recover an Exchange 2010 member server or both if you have storage corruption or the VM’s OS has simply become unusable. Recovery is done and when you try add the member server/s back to the Database Availability Group (DAG), you presented with a […]

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 […]

When decommissioning Exchange 2010 Hub servers, you sometimes run into a small issue where you forget to remove the server from all your send connectors and you are presented with the error below: The error is self explanatory. Head over to the Exchange Management Console (EMC) -> Expand Organization Configuration and click on Hub transport. […]

In one of my older blog posts we encountered an error while trying to decommission a DAG and remove the members. Now when trying to do a recovery installation, the error below is pretty straight forward compared to what is listed in the previous blog post but the removal process is the same. As you […]

Removing DAG members to either retire the DAG or perhaps recover the server should be easy? In some cases you do run into errors that require some manual work to be done. In this case, we were trying to remove DAG members so we can re-purpose the servers, however, we ended up with error “0x […]

At a client they wanted to deploy an add-in from OWA and the Exchange Admin Center and it just wouldn’t give me the option to download and when trying from the OWA you just get a blank page. Upon further investigation, we checked the event logs and were presented with Event ID 2005: There is […]