Documenting a resolution to the error received when attempting a DISM /restorehealth as well as .NET 3.5 repair.
Uninstall .NET 3.5 via DISM
dism /online /disable-feature /featurename:NetFX3
Add .NET 3.5 package
dism /online /add-package /packagepath:d:\sources\sxs\microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab
Repair Health
dism /online /cleanup-image /restorehealth /source:wim:"d:\sources\install.wim":2 /limitaccess