@Burakhan It is not recommended to have 0 or mismatch license count on the cluster nodes. Please consider installing the same amount of licenses on both cluster members to avoid unexpected outages.
Having 0 on the passive node, will return 0 licenses in case of your active device failure.
Please refer to https://kb.pulsesecure.net/articles/Pulse_Secure_Article/KB40093/?kA1j0000000Jri9
This KB article would explain the importance of having equal license count.
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