Hi @gpsriram ,
From the help pages :
Promotion Hold Time—Enter the time that the passive peer (in active/passive mode) or the active-secondary peer (in active/active mode) will wait before taking over as the active or active-primary peer after communications with the HA peer have been lost. This hold time will begin only after the peer failure declaration has been made.
Promotion happens when a peer fails ... preemption kicks in when the primary member becomes active again.
I hope this clarifies things.
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