vSphere Update Manager : This product can only be installed on Windows Server 2008 or above

You are trying to install vSphere Update Manager on Windows Server 2012 R2 (whether it is Standard or Datacenter edition) and error appears:

This product can only be installed on Windows Server 2008 or above

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In addition to this, your environment meets the following prerequisites:

  • The Update Manager server requires a 64-bit Windows system.
  • CPU: Intel or AMD x86 processor with two or more logical cores, each with a speed of at least 2GHz
  • RAM: 2GB RAM if Update Manager and vCenter Server are on different machines
  • RAM: 8GB RAM if Update Manager and vCenter Server are on the same machine
  • Network: 10/100 Mbps
  • Network: For best performance, use a Gigabit connection between vCenter Update Manager and the ESX/ESXi hosts

Cause

Error says that you have the wrong type of OS , but in fact you have to check is your server domain controller or not. vSphere Update manager on a Microsoft Active Directory Domain Controller is unsupported scenario.

References

Installing VMware vSphere Update Manager fails with the error: This product can only be installed on Windows Server 2008 or above (2078069)

vSphere 6 UM: Supported Operating Systems and Database Formats