How to upgrade the ECA instead of automatically upgrading Defender？

[hh66]

How to upgrade the ECA instead of automatically upgrading Defender

[SantM]

Do you need two ECAs?

Yes, up to my knowledge, we need two ECAs in HA mode.

[hh66]

Do you need two ECAs?

[SantM]

As far as I know, for controlled upgrade of APs og defender devices, we need to have ECA high-availability pair. If we have single ECA, APs and defender devices get upgraded automatically after the ECA is upgraded.