Get-AzureAdGroup doesn't support filter security group

[yangl900]

Get-AzureAdGroup doesn't support filter security groups, this is required for RBAC. Role assignment principal must be a security group.

[cormacpayne]

Closing this issue as Get-AzureADGroup is no longer a supported cmdlet. Please feel free to try the Get-AzureRmADGroup cmdlet and see if the problem has been resolved.