I am facing an issue where on internet (Searches) I am not getting propr solutions.
.Net 4 is giving issue " Not enough disk space" I followed all the following steps........
1. Tried from automatic update-failed (Same disk full error)
2. Downloaded full package and tried -Failed (Same disk full error)
3. Extracted and tried to install- failed (Same disk full error)
4. Stopped AV and tried install....failed (Same disk full error)
According to your description, I suggest you to reopen a case in Windows Server support forum.
For your convenience, please follow this link:
TechNet Community Support
Try the below links out and see if it resolve your problem.
Run chkdsk on drive and see if your getting any errors