Message queue viewer problem after Coexistence with Exchange 2013 and Exchange 2019

Arkom Intarachot 1 Reputation point
2021-03-30T01:33:28.867+00:00

I found the error at queue viewer tools after coexistence with Exchange 2013 and Exchange 2019. The problem occur when I try to open the queue viewer tools at Exchange 2013 hub transport server.( Please see as attach file) The error message is Microsoft Exchange Critical Error Could not load file or assembly Microsoft Exchange.Data.Transport, Version=15.2.854.0, Culture-neutral, PublicKey Token=31bf3856ad364e35 or one of it's dependencies. The system cannot find the file specified. I installed Exchange 2019 for migration mailbox from Exchange 2013 to Exchange 2019. My Exchange environment. 1. CAS02 Role CAS/HUB Exchange 2013 Std, Windows 2012 R2. 2. BOX02 Role Mailbox Exchange 2013 Std, Windows 2012 R2. 3. MAIL Role Exchange 2019, Windows 2019 Std. Try to open Queue viewer at Exchange 2019 that no any error. My question is. 1. We can not open message queue viewer on exchange 2013 after coexistence with exchange 2019 right? 2. If no, How to fix my problem?

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Eric Yin-MSFT 4,386 Reputation points
    2021-03-31T05:44:19.273+00:00

    Hi,

    1. No it should not be affected.
    2. Which CU of Exchange 2013 are you running? If you are running Exchange 2013 SP1, run the script listed in this KB and monitor if the issue occurs.
      Also negative to "C:\Program Files\Microsoft\Exchange Server\V15\Public", can you see the file?
      83059-3.png

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  2. Arkom Intarachot 1 Reputation point
    2021-03-31T07:11:49.553+00:00

    Hi EricYin,
    Thank you for you answer, I installed Exchange 2013 CU 23 and Exchange 2019 CU9. What any concern about CU?

    Arkom

  3. Arkom Intarachot 1 Reputation point
    2021-04-01T02:11:02.04+00:00

    Hi EricYin,

    Please see the exchange file path as capture screen as attached file.

    83398-shbcas02.jpg83438-shbmbox02.jpg

    Did you install the security update recently?
    Yes, I update for Windows server 2012 R2 (KB3071740) windows6.2-hypervintegrationservices-x64. only.

    Do you have any idea for this case?
    Please let's me know if you need more information.

    Thank you
    Arkom