OPNSense HA Issue -

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Mustafa Çamkesen

• February 22, 2026 02:43

I have configured HA, but both devices remain in backup mode. Even though I apply the configurations step by step on both devices, one does not become master while the other becomes backup.

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• Official comment

  

  SVN Support Team

  • February 23, 2026 12:49

  Hi Mustafa,

  Thanks for reaching out and sharing your concern. 

  Normally you should't see anything in passive device. Please visit the following documentation link and check your configuration again.

  https://www.thomas-krenn.com/en/wiki/OPNsense_HA_Cluster_configuration

  P.S. OPNsense HA sync is only one way that it is syncing from master to slave.

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