Exchange Distribution Group Warning: "the object must be upgraded to the current Exchange version"

When you make a change to an Exchange Distribution Group and you get a Warning message like: "the object must be upgraded to the current Exchange version", you can click yes to upgrade.

But having hundreds of those groups you might want to upgrade de Exchangeversion of a Distribution Group through Powershell.

 

Warning:

 

 

 

To get an overview of the Distribution Groups with their version:

 

Get-DistributionGroup | sort exchangeversion | ft name,exchangeversion –a

 

To upgrade from a particular version to the current version:

 

Get-DistributionGroup | where {$_.Exchangeversion -like "0.1 *"} | Set-DistributionGroup