For information:
I upgraded the firmware on my 5216-4Ks2 today from: 3.210.0003.0 to: DH_NVR5XXX-4K_Eng_V3.215.0000000.1.R.20170901
After the upgrade, I lost all local user accounts except 'admin' and my previous admin password was gone. Additionally, none of the standard passwords worked...
Hello the Forum
I'm from Australia, I have an IT background and can play around with h/w and s/w without too much trouble.
I mainly prefer working in WinTel environments but I do have some superficial Linux experience.
What I have today:
Blue Iris v4
4 x HikVision DS-2CD2032 4mm bullets...