"/common/logs/admin/app.log":
2025-##-## 22:13:45.447 UTC [GuestCustomizationService_java.lang.RuntimeException: Can't determine IMC guest type for unknown OS: windows2019srvNext_64Guest at com.vmware.vchs.hybridity. at com.vmware.vchs.hybridity. at com.vmware.vchs.hybridity. at com.vmware.vchs.hybridity. at com.vmware.vchs.hybridity. at java.base/java.util. at java.base/java.util. at java.base/java.util. at java.base/java.util. at java.base/java.util. at java.base/java.lang.Thread.
VMware HCX
HCX supports Guest OS customization for specific Windows and Linux operating systems.
Prerequisites for IP Customization
2. Identify the Error: Check the Cloud HCX Manager app.log for the Can't determine IMC guest type exception.
Guest OS Types for Guest Customization (4.10)
Guest OS Types for Guest Customization (4.11)
Guest OS Types for Guest Customization (9.0)
3. Check Version Compatibility: Review the tech docs relating to supported Guest OS Types for Guest Customization based on the current version of HCX
4. Manual Workaround: If the OS version is not yet supported for automated customization:
5. Upgrade HCX: If a newer HCX version supports the Guest OS, plan an upgrade of the HCX Manager and Service Mesh.