Thank you for your reply Stewart, I solved the problem by uninstalling hik connect from my mobile and reinstalling. The DDNS password remains the same showing only 6 characters I assume this is just a quirk of the system.
Have been viewing my camera on my mobile remotely but has recently stopped working. The error code I get is Video playing failed. Error Code (260008). Have checked the settings in my Hikvision NVR and the DDNS settings status is "connect to server failed". The password shows only 6 characters...
Can I use Hik-connect to access my nvr from outside of my lan using my android mobile, if so can you give me instructions on how to do it or point me in the direction of a web page that gives instructions.