Microsoft Graph PowerShell SDK V2.34 Makes WAM the Default

The Web Account Manager (WAM) authentication broker becomes the default method for handling interactive Microsoft Graph PowerShell SDK connections from V2.34 onwards. The rapid release of a new version (V2.33 appeared 12 days beforehand) is usually a sign of a big problem, but in this case the reason is more likely to be a security vulnerability that’s just come to light. We’ll find out after the holidays. We've released V19.1 of the Automating Microsoft 365 with PowerShell eBook (the advantage of ePublishing) to keep track with developments.

https://office365itpros.com/2025/12/23/web-account-manager-graph-sdk/