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400 4.5.1 Error processing BDAT blob with Message context information RRS feed

  • Question

  • Hello everyone!
    Have Exch 2019

    Help please!

    Please help me to solve this problem:
    messages stuck in the queue for internal users
    DeliveryType = SmtpDeliveryToMailbox

    If you look at the error in the letters that are stuck:

    400 4.5.1 Error processing BDAT blob with Message context information

    Maybe someone knows what is the reason or how to solve? Help me please :(


    Thursday, April 14, 2022 7:44 AM

All replies

  • It looks like very voluminous files. Perhaps you just need to wait.
    Thursday, April 14, 2022 9:52 AM
  • This has been going on for 2 days now.
    And if you transfer users to another database, then a queue begins to gather in this database
    Thursday, April 14, 2022 12:28 PM
  • I have the same problem! Really complicated to solve
    Friday, April 15, 2022 6:24 PM
  • Complete the steps outlined in this section to help diagnose and correct a 400 Bad Request.

    The proposed solutions include:

    1. Check the Submitted URL
    2. Clear Browser Cache
    3. Clear Browser Cookies
    4. File Upload Exceeds Server Limit
    5. Clear DNS Cache
    6. Deactivate Browser Extensions

    Regards,

    Rachel Gomez

    Tuesday, September 13, 2022 5:37 AM