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When install instance 25R2 have error

  • December 3, 2025
  • 3 replies
  • 210 views

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The system was unable to connect to RabbitMQ on the current server. Try the Connect to an existing RabbitMQ instance option; the

system will attempt to connect using the connection settings you provide.

Best answer by bihalivan15

I installed RabbitMQ manually, and it helps me.

3 replies

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Hello ​@bihalivan15 
if you not installed RabbitMQ then try after installing that with your compatible Win version.
here is link:
https://www.rabbitmq.com/docs/install-windows

OR 
select 2nd option it follows default.

I hope this helps.


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  • Author
  • Captain I
  • Answer
  • December 3, 2025

I installed RabbitMQ manually, and it helps me.


Ahmed
Varsity II
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  • Varsity II
  • August 7, 2026

Easiest option was just to uninstall RabbitMQ and then let the Acumatica ERP Wizard do the install.