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RabbitMQ installation fails during Snapcenter upgrade

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snapcenter
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snapx
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Applies to

  • Snapcenter 5.X
  • Snapcenter 6.X
  • RabbitMQ

Issue

  • During the upgrade we see the following errors during the RABBITMQ installation:

    Executing command: rabbitmq-plugins.bat enable rabbitmq_management
    4-12-2026[01:22:12 PM]: (PowerShell Action): rabbitmq-plugins.bat output:  
    13:22:04.925 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent  
    13:22:05.691 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent  
    13:22:05.691 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent  
    13:22:06.394 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent  
    13:22:06.410 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent  
    13:22:07.191 [error] Failed to create cookie file 'p:/.erlang.cookie': enoent

  • After the upgrade we see the following error in the Snapcenter GUI
    Alert Name RabbitMQ Connection Failure
    Severity  Critical
    Entity Type SnapCenter Server
    Entity Name SC.Demo.net
    Status New
    Time 04/12/2026 12:34:06 PM
    Job Id Not applicable
    Description SnapCenter Server is unable to establish RabbitMQ connection
    Recommendation Verify and ensure RabbitMQ service is running. If problem persists, reach out to SnapCenter support

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