Bricked my NVR DS7616NI-K2

[top79]

Hi i have just bricked my DS7616 and am trying to upload new firmware to the NVR using the old Hikvison TFTP server, but the firmware just keeps uploading, it seems like it never finishes, i can ping the ip. 192.0.0.64 of the nvr and can see that it connects to the Hikvison TFTP server (v1 i think)

I am using Windows 10, have uninstalled antivirus and disabled firewall, but nothing helps, have also tried another brand new windows 10 machine without luck. Still same issue

 

[alastairstevenson]

but the firmware just keeps uploading, it seems like it never finishes

The Hikvision tftp updater baulks at firmware files over 32MB.
NVRs newer than the DS-76xxNI-Ex series have much larger firmware due to the bigger scale hardware.
There is a functional clone that does not have that limitation here : scottlamb/hikvision-tftpd

 

[Mike Ross]

Hi i have just bricked my DS7616 and am trying to upload new firmware to the NVR using the old Hikvison TFTP server, but the firmware just keeps uploading, it seems like it never finishes, i can ping the ip. 192.0.0.64 of the nvr and can see that it connects to the Hikvison TFTP server (v1 i think)

I am using Windows 10, have uninstalled antivirus and disabled firewall, but nothing helps, have also tried another brand new windows 10 machine without luck. Still same issue

The Hikvision TFTP server is no longer capable of finishing the update installation. You can solve this problem using two TFTP servers under windows. You need to install a non Hikvision TFTP server, (eg Solar Winds or similar) and start it. then start the Hikvision one. The Hikvision one will listen for the NVR and do the authentication on an undocumented port. Because you started the 3rd party TFTP server first, the TFTP port will be locked so that the 3rd party server will do the transfer, while the Hikvision server will fail to do so because of the locked port.