Reset Hikvision DVR Password

[yasirvm]

Hi,
I tried to reset DVR password using reset tool but the code am getting is wrong
please support,,
serial: DS-7A08HQHI-K10820171104CCWR122692924WCVU

 

[iTuneDVR]

Hi,
I tried to reset DVR password using reset tool but the code am getting is wrong
please support,,
serial: DS-7A08HQHI-K10820171104CCWR122692924WCVU

Where did you get the key?
After generating xml & sending it to support & get key, did you reboot the dvr?