Environment
Client for Open Enterprise Server 2 SP4 (IR12)
Microsoft Surface X
Situation
When attempting to install Client for Open Enterprise Server on a Surface X workstation, the installation fails with an error, such as:
An unknown installation error occurred: 0x800F0203 (-2146500093)
Resolution
Client for Open Enterprise Server is supported only on Intel-compatible 32-bit x86 platforms, and Intel-compatible 64-bit x64 platforms. Surface X is an ARM-based Windows 10 PC, which is not supported. See Microsoft document "Surface Pro X app compatibility" for more information.