For Various Spokes OAuth is Making Multiple OAuth Calls when Access Token is Expired and Giving HTTP-401 or HTTP-400 - Support and Troubleshooting

For Various Spokes OAuth is Making Multiple OAuth Calls when Access Token is Expired and Giving HTTP-401 or HTTP-400 Issue Using Zoom spoke and trying to get access token makes multiple access token call's and one will be successful with 200 and rest of all call's will be 400 or 401 with error "{"reason":"Invalid Token!","error":"invalid_request"}"

Note: Example given here is for the Zoom Spoke, but the same is applicable to other Spokes, e.g. Salesforce.

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Cause In oauth_2_0_credentials zoom credentials if we specify applies to "All MID servers" so the multiple call's are been made from GetMIDInfo

You will see multiple call's as below

Initially we get 200 success and following that call there will be multiple call's with 401 response and error as "{"reason":"Invalid Token!","error":"invalid_request"}"

Even though you specify Use MID server as false in Zoom connection and credential alias

Resolution - Go to oauth_2_0_credentials table and go to Zoom Credentials

- in Applies to field select Specific MID servers in spite of All MID servers

- But don't select any MID server for MID servers field, look below screen shot