Tamper alert on profile change

RafflesNH

Young grasshopper
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Hey guys and gals,

Would anyone know/hazard a good guess as to what might be the reason for my NVR sending me a Tamper Alert email every time my profile schedule changes?

I have the Z12 Bullet IPC web server set up to change exposure etc profiles twice a day (at 0600hrs and 2000hrs), but only the 0600hrs changeover generates the Tamper Alert by the NVR, not the 2000hrs.
The alerts consist of 2x emails each time; first one is subject 'Tampering' at 06:00:03, and second one is 'Tampering Clear' at 06:00:05 (i.e. 2 seconds later).

Most puzzling! :idk:

Gear:
1x IPC: DH-IPC-HFW5231E-Z12
recording to:
1x NVR: 4104P4KS2
 
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