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Just a heads up for a hotfix to VB365.

We recently faced multiple errors within our MSP stack for VB365:

Processing mailbox xyz failed with error: There is an error in XML document (1, 5332).. The specified type was not recognized: name='SharingMessage'

Turned out to be a problem introduced by some changes Microsoft applied to M365.

Veeam published a hotfix just a few days later: https://www.veeam.com/kb4527

It’s applicable to the most recent version of 7 (7.0.0.4388) as well as 7a (7.1.0.1301) and I can confirm it to solve the issue.

You have to stop all services and replace Veeam.Ews.dll in 4 different locations.

Make sure to rename or copy the files to be replaced beforehand and have or create a backup of the VB365 system.

 

 

Don’t forget to perform the upgrade procedure for your proxies, even if they don’t have the message ‘upgrade required’

Thanks for sharing this, Michael.  I will get this over to our Veeam guys to patch VB365 at our DCs. 👍🏼

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