Unknown error comes when adding user to microsoft entra group using Add user group action spoke

[Santosh Kumar 1]

Hi,
I'm trying  to add a user to a group using Microsoft Entra spoke and Add User to Group Action. it seems the actual step is getting completed but after that an error comes as "Unknown Error " thereby the flow gets exited by throw error exception. 
Then I'm not able to know the actual error or not able to resolve the issue. Your help will be appreciated.

Here is the screen capture

[Santosh Kumar 1 · Accepted solution]

It seems like I got the RCA and exploring on that now. If resolved I'll update here as solution

[Ct111]

screenshot is not clear.

[Santosh Kumar 1 · Accepted solution]

It seems like I got the RCA and exploring on that now. If resolved I'll update here as solution

[Santosh Kumar 1 · Accepted solution]

Hi, 

The issue resolved after continuous explore and trialing different options.

The input parameters to the "Add User to Group" action under Microsoft Entra (Azure AD ) should be properly mentioned in the label header so that the user can understand the input parameters should be specific exactly what AzureAD expects and not from Servicenow user table parameters as most of the cases the parameters are having same names.
Here the UserID parameter is different in Servicenow than in AzureAD. So we have to user Lookup User to get the actual UserID from AzureAD and use that UserID parameter in Add User to Group Action.

I think the label can mention User ID from AzureAD instead of only "User ID" and the error message should mention properly on the invalid parameter or similar and not as "Unknown Error". This error message gives no clue how to troubleshoot and eats our hours time to know the RCA.
Thanks
San