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Unless you’ve had your head stuck in the sand you probably have heard at this point that Microsoft has been trying numerous times to kill the Basic Authentication method for application integration into M365. While they tried and then delayed quite a few times the latest date of October 1, 2022 seems to be sticking so you do need to prepare for this.
As someone who fortunately/unfortunately has to think far too much about data protection of things like M365 this is something that has been a big part of my day to day conversations as I tend to work a good deal with this in regards to Veeam’s Backup for Microsoft365 product.
Let’s start with the good news: Working with what in Veeam vocabulary is “Modern Only” authentication is probably the easiest and most robust way to let Veeam organization configuration interact with your Microsoft365 organization. No more need to manually create and register Azure applications, no need to go through a laundry list of Exchange, Sharepoint and Graph API permissions, all of that is automatically created and managed through the registration process. Further modern application authentication also allows for MFA authentication at registration with any administrator level
Want to learn more? Read the source post!