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.

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  1. Anonymous
    2023-10-18T08:40:03+00:00

    It doesn't work for my Microsoft Account with Primary Email (...@testing.xyz domain).

    Also try'd with ...@outlook.de alias but it doesn't work with new outlook app

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  2. Anonymous
    2023-09-11T13:41:04+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.

    Can you please help?

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  3. Anonymous
    2023-09-04T13:31:38+00:00

    Sifet, thank you this fixed the problem in 30 seconds,

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  4. Anonymous
    2023-09-04T05:44:16+00:00

    Hi Chai,

    Your suggestion works wander. It solves my problem too

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  5. Anonymous
    2023-09-02T04:59:33+00:00

    klaw48 solution worked for me. Thanks all!

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