[rabbitmq-discuss] Detect already installed version of RabbitMQ and Erlang during setup

Simon MacMullen simon at rabbitmq.com
Tue Oct 8 09:48:22 BST 2013

On 08/10/2013 09:38, Silverby, Patrik wrote:
> Hi,
> Is there a way that the RabbitMQ and Erlang installation can be detected
> by an installer to determine if they should be installed or not?

Our installer does this, see its source at 

tl;dr: we check HKLM Software\Ericsson\Erlang\ErlSrv (with some version 
checking) and 

Cheers, Simon

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