Exchange 2019 DAG and Witness

Question

Hello

I will implement Exchange server 2019 ( 1 node in HO and 1 node in DR)

I don't have 3rd datacenter to host my Witness can i use Azure Blob storage as a Witness?

Thanks

Answer 1

Not supported:
https://jaapwesselius.com/2018/03/14/exchange-2016-database-availability-group-and-cloud-witness/

You can use a VM in Azure:
https://learn.microsoft.com/en-us/exchange/high-availability/manage-ha/azure-vms-as-dag-witness-servers?view=exchserver-2019

Note the supported config:
https://learn.microsoft.com/en-us/exchange/high-availability/manage-ha/manage-dags?view=exchserver-2019

Answer 2

Many Thanks Andy