title: AADSTS50034: The user account Microsoft.AzureAD.Telemetry.Diagnostics.PII does not exist in the xxx.onmicrosoft.com directory
body: <p>I am trying to use graph.microsft.com apis for user invinting to the AD account.
  I was able to invite but when try to get the token using
  <a href="https://login.microsoftonline.com/xxxx.onmicrosoft.com/oauth2/token" rel="nofollow noreferrer">https://login.microsoftonline.com/xxxx.onmicrosoft.com/oauth2/token</a> i am getting the above error.
  I am using this key along with other required keys in the header.
  [{"key":"resource","value":"<a href="https://graph.microsoft.com" rel="nofollow noreferrer">https://graph.microsoft.com</a>","description":""}]</p>
  
  <p>Can you please let me know what is the issue?
  Complete log.</p>
  
  <p>{
      "error": "invalid_grant",
      "error_description": "AADSTS50034: The user account Microsoft.AzureAD.Telemetry.Diagnostics.PII does not exist in the xxxxx.onmicrosoft.com directory. To sign into this application, the account must be added to the directory.\r\nTrace ID: 5537uiy4b-4473-4cfb-b45c-1281f61e2100\r\nCorrelation ID: 8121era7-8df4-47d5-8cc5-3d2f8371029b0\r\nTimestamp: 2019-02-26 11:04:46Z",
      "error_codes": [
          50034
      ],
      "timestamp": "2019-02-26 11:04:46Z",
      "trace_id": "5537db4b-4473-4cfb-b45c-1281f61e2100",
      "correlation_id": "812138a7-8df4-47d5-8cc5-3d2f8a1029b0"
  }</p>