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Office 365 (Outlook on the web | Outlook for Windows | Mac) - Account Access Error

When you attempt to open another mailbox (user, service, or resource account), you may receive one of the following errors:

404 error

The reason you are receiving this error is because you do not have the proper mailbox permissions to access the account.

You will need to contact the owner of the account and ask them to grant you full-mailbox permissions.

something went wrong error http 500 code

This error appears because your account does not have the proper permissions (linked) or your permissions are no longer working to access the account.

In some cases, the assigned permissions do not get set correctly, try the following work around:

  • Outlook on the web

    1. Run the permission repair tool and reapply permissions
    2. Log/sign out of Outlook on the web (browser).
    3. Close your browser.
    4. Access the service account.

  • Outlook for Windows client

    1. Run the permission repair tool and reapply permissions
    2. Log/sign out of Outlook on the web (browser) - only if you are currently logged into your account via a browser.
    3. Close your browser.
    4. Access the service account via browser.
      • If you can access the service account, permissions are set correctly and the service account is accessible - issue now is with Outlook. Continue with troubleshooting Outlook for Windows
        1. Restart Outlook and see if the service account auto-maps. You may need to wait about 60 minutes for the account to load.
        2. If the service account does not auto-map, try any of the following

          Relink the account

          1. Unlink the account - wait an hour.
          2. Link the account - wait an hour.
          3. Confirm if the user can access the service account via Outlook on the web.
            If you cannot access the service account, follow the steps above regarding Outlook on the web.
            If you can access the service account, continue to the next step.
          4. Restart Outlook and see if the service account auto-maps. You may need to wait about 60 minutes for the account to load.

          Repair Outlook/Inbox profile

          1. Follow instructions to repair your profile.
          2. Restart Outlook and see if the service account auto-maps. You may need to wait about 60 minutes for the account to load.

          Create a new profile

          1. Follow instructions to create a new profile for the client you are using.
          2. Restart Outlook and see if the service account auto-maps. You may need to wait about 60 minutes for the account to load.


If you the above troubleshooting does not resolve your issue, contact your domain administrator and ask that they perform the steps listed below.

  •  Option 1: Run Permission Repair Tool

    1. Follow these steps to access the service account within Wisc Account Administration site.
    2. Use the Permission Repair Tool to reapply these permissions.
  •  Option 2: Reset Permissions
    • For service account

      1. Follow steps to access the service account within Wisc Account Administration site.
      2. Within the "Linked Accounts" page, remove the NetID having this issue. Important: if only one NetID is currently linked, you must add another NetID (add your own) before removing the NetID in question. You will remove your NetID later.
      3. Wait 30-60 minutes.
      4. Within the "Linked Accounts" page, add the NetID having this issue.
      5. Wait 30-60 minutes.
      6. Have the user log out and log back into Outlook on the web again and try accessing the account.
      7. If you added your NetID temporarily, remove it.
    • For resource account

      1. Follow steps to access the resource account within Wisc Account Administration site.
      2. Within the "Edit Resource" page, replace the 'Owner Email' with some other account. Important: You will replace this with the original account at the end of these steps.
      3. Wait 30-60 minutes.
      4. Within the "Edit Resource" page, replace the 'Owner Email' back to the original account having this issue.
      5. Wait 30-60 minutes.
      6. Have the user log out and log back into Outlook on the web again and try accessing the account.

See Also:




Keywords:microsoft office365 o365 service account resource access wisc account admin enable web login outlook web app error 404 http 500 code failure netid credentials full mailbox permissions cant find page something went wrong   Doc ID:42191
Owner:Ara M.Group:Office 365
Created:2014-07-24 09:31 CDTUpdated:2018-07-23 12:46 CDT
Sites:DoIT Help Desk, DoIT Tech Store, Office 365
Feedback:  4   4