Some of the users have a need to use service account for the connection - some other account than the logged in user. However because of SSO, this does not work - even after providing username in the credential pop up, it defaults back to the logged in user. The workarounds are documented here - Integrate with Office 365 Outlook - Azure Logic Apps | Microsoft Docs
Also as a workaround, it is possible to use HTTP action with AAD authentication to call the Graph API directly.
One of the members from dev team has found a hack to get it working. For a good number of users, it has worked. If you are are reluctant to provide contributor access to the service account, it may be worth trying.
Symptom:
A user logs into Azure portal as user1@xxx.com and he wants to create a logic app to send emails from logic app. He does not want the email to be sent from user1@xxx.com and instead he wants the email to be sent from user2@xxx.com. Logically he add the Outlook365 action to the logic app and then try to create the connection as user2@xxx.com. The problem is that even though he specifies user2@xxx.com on connection creation, the connection is still created with user1@xxx.com. This is because AAD has the SSO feature, where AAD notices he has already logged in as user1@xxx.com and it just uses that as the credential.
Solution:
This feature/ issue lies on the AAD SSO side - can check SSO article for more details What is Azure single sign-on (SSO)? | Microsoft Docs.
From the Logic Apps side dev member Dan has found a workaround below. It is a hacky workaround but works most of the times:
- Open IE Browser setting to disable Integrated Windows Authentication under Internet Options/Advanced tab. Close the browser and open it again to verify the setting is good.
- After you click “Sign In” and the authentication popup displays, copy the URL, it should look something like this:
https://login.microsoftonline.com/common/oauth2/authorize?client_id=7ab7862c-4c57-491e-8a45-d52a7e02... - Replace prompt=select_acount with prompt=login, copy this to your clipboard:
https://login.microsoftonline.com/common/oauth2/authorize?client_id=7ab7862c-4c57-491e-8a45-d52a7e02... - Bring up the browser F12 tools for the popup and change the popup location by typing:
this.document.location="{paste URL here}" - This will change the sign in popup to a standard sign in form. Continue the sign in process to completion, it should use the correct account.
Picture for reference:
