Hi @peterh2015,
Welcome back to our Community Forums! Thank you for your post, and I'm sorry to hear that you're experiencing some ongoing issues with your UDH recordings, we can understand how frustrating this can be.
Thank you to @japitts for providing some further support for your issue. Have you given their suggestion a try?
I was able to locate your account and I can see that you have been in touch with our technical team and have a technical appointment scheduled for an engineer to look into this issue further for you. Please keep us updated on how you get on with your appointment, and let us know if you need any further help or support.
Thank you.