Getting 2400 error in outlook application

Anonymous
2023-04-11T09:25:43+00:00

Hi,

Something went wrong [2400] error in outlook application. Web outlook is working fine.

Tried outlook repair, reinstallation, new profile creation and cleared password from device credential manager still issue persist. Seems like Microsoft issue. Screenshot attached

Please share any troubleshooting steps for permanent fix

Thanks

Anand

Outlook | Windows | Classic Outlook for Windows | For home

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments No comments

91 answers

Sort by: Most helpful
  1. Anonymous
    2023-05-18T22:00:48+00:00

    Hi,

    This worked for me today 19/05/23.

    Go to Start

    Apps

    Right click on Outlook

    Run as Administrator

    Close and try normally.

    Hope that helps.

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments No comments
  2. Anonymous
    2023-05-18T21:55:16+00:00

    This works, go to start, apps, open outlook as administrator, works for pop 3 and exchange.

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments No comments
  3. Anonymous
    2023-05-03T07:23:55+00:00

    I am getting the same error all the time, only in Outlook, when sending ad receiving mails

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments No comments
  4. Anonymous
    2023-05-02T19:37:47+00:00

    Check with client today - working again.

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments No comments
  5. Anonymous
    2023-05-01T18:16:17+00:00

    I could add the account as well today. Working fine again

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments No comments