Clean install of Windows 10 Enterprise, no other products installed.
1. Install SWV 7.6.247 and reboot
2. Create an empty layer
3. Attempt to activate the layer
4. Presented with error code 1040
error 1040
Microsoft has added further checks to limit orphaned keys.
windows 10 build 1703
svsadmin build 7.6.247 and earlier.
This has been fixed in 7.6 HF 10