Thanks for all the responses.
I have not made any changes yet, until I better understand the implications of
such changes and wether such changes would be reversible?
Please advise a little further.
fzabkarI'll take a look at DMDE, thanks.
data-medicsYes this drive was cloned from a smaller disk as an initial installation back up.
I haven't extended the unallocated area yet as I've not had any reason to at this time.
Is a GUID conflict the same as a Disk Signature Collision ?
How would I correct a Disk Signature Collision without compromising the disk?
See image below: