Unable to load adalsql.dll error when calling `Invoke-sqlcmd`

Question

I have VS2015 with SSDT installed, along with SSMS and the SqlServer PowerShell module (which includes the invoke-sqlcmd comand), and yet If I try to execute a qu

Answer 1

In my case culprit was VS 2019. It has newer version of ADALSQL package. For me it was at path "C:\ProgramData\Microsoft\VisualStudio\Packages\sql_adalsql,version=16.0.61903.25110,chip=x64,language=en-US", which I uninstalled and installed desired version to resolve the issue.

Hope this helps!