title: Why does Get User Access token throws invalid_grant error?
body: <p>I am using <a href="https://github.com/microsoftgraph/microsoftgraph-postman-collections" rel="nofollow noreferrer">Microsoft Graph Postman Collections</a> to test common Microsoft Graph APIs from within Postman. However, I am stuck while trying to <strong>fetch user access token</strong></p>
  
  <p>Below is the request </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>POST /7c69806f-5754-488f-9dd8-7daa8afea4fd/oauth2/v2.0/token HTTP/1.1
  Host: login.microsoftonline.com
  Content-Type: application/x-www-form-urlencoded
  SdkVersion: postman-graph/v1.0
  cache-control: no-cache
  Postman-Token: ac512133-5afe-47a3-ae9b-3b6c0b510ebd
  grant_type=passwordclient_id=ebbe4872-5b7187-de6d6ddf7301client_secret=g99p8DWoxdUPY-%3F%40%5Bv7kt2g4BMxGscope=https%3A%2F%2Fgraph.microsoft.com%2F.defaultuserName=rohitdhamijagmail.onmicrosoft.compassword=Zcost%4080</code></pre>
  </div>
  </div>
  </p>
  
  <p>On trying "Fetch user access token" POST API, I get following error:</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>{
      "error": "invalid_grant",
      "error_description": "AADSTS50034: The user account rohitdhamijagmail.onmicrosoft.com does not exist in the 7c69806f-5754-488f-9dd8-7daa8afea4fd directory. To sign into this application, the account must be added to the directory.\r\nTrace ID: c0e97dd8-053d-4c99-81e4-354d7ae7d500\r\nCorrelation ID: 7e67450e-3054-48bc-b808-2f6277093dac\r\nTimestamp: 2020-03-03 09:38:09Z",
      "error_codes": [
          50034
      ],
      "timestamp": "2020-03-03 09:38:09Z",
      "trace_id": "c0e97dd8-053d-4c99-81e4-354d7ae7d500",
      "correlation_id": "7e67450e-3054-48bc-b808-2f6277093dac",
      "error_uri": "https://login.microsoftonline.com/error?code=50034"
  }</code></pre>
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  </div>
  </p>
  
  <p>The user account does show under my tenant in Azure , below is the image attached
  <a href="https://i.stack.imgur.com/ei1lq.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ei1lq.png" alt="enter image description here"></a></p>
  
  <p>What can be the issue?
  <strong>Note:</strong> I have configured the global environments properly, since I am able to use other API's like  Get User info etc.</p>