When using vSphere Update Manager to upgrade an ESXi 5.x host, the remediation fails with the error:
Software or system configuration of host hostname is incompatible. Check scan results for details.
If you look at the Update Manager, Status Details, you might find a conflicting VIBs;
The upgrade contains the following set of conflicting VIBs:
Remove the conflicting VIBs or use Image Builder to create a custom upgrade ISO image that contains the newer versions of the conflicting VIBs, and try to upgrade again.
Remove the conflicting VIBs, and reboot your host. Scan again for Updates and the Compliance Status should changed from Incompatible to Non-Compliance.
~ # esxcli software vib list | grep HUA
hio 18.104.22.168-1OEM.522.214.171.1241820 HUAWEI VMwareCertified 2015-09-19
~ # esxcli software vib remove -n hio
Message: The update completed successfully, but the system needs to be rebooted for the changes to be effective.
Reboot Required: true
VIBs Removed: HUAWEI_bootbank_hio_126.96.36.199-1OEM.5188.8.131.521820
~ # reboot