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How to install Acumatica local 26R 1

  • May 26, 2026
  • 6 replies
  • 57 views
M
Freshman I
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Hi,

When I tried to install Acumatica 26 R1 local instance, I got below error.

How can I fix this.

 

6 replies

A
Jr Varsity III
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Hello ​@michellew86 You can Uninstall old RabbitMQ. after that repeat installation step & it will automatically install RabbitMQ again without error.

Abhishek Nikam || MVP @2026 || https://www.linkedin.com/in/abhisheknikam3
    M
    Freshman I
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    • michellew86
    • Author
    • Freshman I
    • May 26, 2026

    ​@Abhishek Niikam  I tried the same and when I try to launch I got an error as Connection to RabbitMQ Failed. I tried restarting IIS, restarting the computer. Yet the same error. Do u have any idea how to fix it

     

    A
    Jr Varsity III
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    ​@michellew86 I face this issue but when I removed RabbitMQ from system completely & on setup wizard I select “Install RabbitMQ” & that’s work for me.

    Abhishek Nikam || MVP @2026 || https://www.linkedin.com/in/abhisheknikam3
      Dipak Nilkanth
      Pro III
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      Hi ​@michellew86, Please confirm whether the RabbitMQ services are running under Windows Services. If not running Start the RabbitMQ service.

       

      Dipak Nilkanth || 2X MVP @2025 & 2026 || https://www.linkedin.com/in/dipak-nilkanth-293591102 || Acumatica Developer
        M
        Freshman I
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        • michellew86
        • Author
        • Freshman I
        • May 27, 2026

        ​@Dipak Nilkanth , I started it and still getting the error. When I refersh the service again the RabbitMq is not running. Is there any ither changes I can do. This is my remote pc.

        Dipak Nilkanth
        Pro III
        Forum|alt.badge.img+14

        ​@michellew86, Please confirm whether you downloaded compatible versions of Erlang and RabbitMQ, or install latest one. hope it helps!

        Dipak Nilkanth || 2X MVP @2025 & 2026 || https://www.linkedin.com/in/dipak-nilkanth-293591102 || Acumatica Developer
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