2020-10-12 10:23 AEST by Arthur Barrett - cvsnt server control panel has no icon in windows 2012/2016.

If you open the 'control panels' app, then it has a blank icon

If you search for it in the start menu you can see the icon OK.

Probably need a different size?  Probably 256x256

https://docs.microsoft.com/en-us/windows/win32/uxguide/vis-icons

Application icons and Control Panel items: The full set includes 16x16, 32x32, 48x48, and 256x256 (code 
scales between 32 and 256). The .ico file format is required. For Classic Mode, the full set is 16x16, 24x24, 
32x32, 48x48 and 64x64.