Only if you were going to change your symbios/ serial number too but you're not. You should be fine.
Hi Leesureone, Thanks for the help. Upgraded to Catalina GM Seed 1 yesterday.
All seemed to work but this morning after sleeping the NUC overnight it woke up but was effectively locked. No apps would open and couldn't reboot. So I had to in the end turn off the power.
The Catalina GM Master just came out so I'm going to update to that and then have a proper play today.
All seems to be working after the reboot. icloud, Appstore, iMessage, Web browsing and LAN plus ethernet.
Not working: Audio still needs unplugging and replugging for audio but had that problem on Mojave. I'll move kexts to L/E folder but someone did that I read yesterday and it didn't work to fix their audio either. I'M GUESSING your audio works because you use the FRONT AUDIO OUT Leesureone.
Also when I woke my NUC from sleeping overnight. Screen TV connected through HDMI started flickering, going black and white snow but unplugging and replugging the HDMI fixed it and also fixes my glitchy audio.
Looking foreward to playing and learning catalina today see what's new. Thanks for your help again.
ALSO CLOVER BOOTLOADER STABLE has updated from 5070 to 5093. Is there any chance you could UPDATE YOUR EFI to the latest clover it might fix some of the above problems. Also and only if you have time can you screenshot what you choose in the clover install so we know what to tick to update CLOVER on our NUCS ourselves. I tried doing it to my EFI a while back and killed my booting lol.
Thanks heaps for helping us all out. I'm learning a lot.