Users running Windows 10 build 16299.431 (KB4103727 released on May 8th,2018) may encounter issues connecting to their RemoteApps. You can find information about what this patch includes here.
Administrators can solve this issue in one of the following two ways:
- Uninstall KB4103727 from the impacted machines.
- Keep KB4103727 installed and update the Windows Server configuration based on the interoperability matrix described by Microsoft here.