I had two customers who ran into this issue the last week. They ran into the situation where the UI did not show the SMB capabilities after upgrading to vSphere/vSAN 7.0 Update 1. You can solve this pretty quickly by upgrading vSAN File Service as well. Just go to the vSAN Services page, go to File Service and click “Check Upgrade”. After the validation, simply do the “Upgrade”. After the upgrade...

Source