This message was posted on behalf of Intel Corporation
My apologies for the inconvenience.
Based on your description you have been having several issues with the installation, so I would like to know if you followed the pre-installation steps. Following these steps ensures the proper installation of the application.
For the SHA2 certificate error you can try the following;
The whole description can be found here: https://www.intel.com/content/dam/support/us/en/documents/software/software-applications/Intel_Unite_Enterprise_Deployme… , you will also found the server pre-installation steps.