library · inferred from evidence
Az.Accounts
A PowerShell module whose version 5+ or latest modules 14.x changed the token JSON shape.
- AzureFileCopy@6: Auto-login with PowerShell context fails
The task team shipped a fix for this in the AzureFileCopy task itself (deployed to all rings): make sure you are on a task version newer than the one referenced in the fix PR. If you cannot pick up the new task version, pin the Az.Accounts