Following error appears in the update manager UI : The host returns esxupdate error codes: -1. Check the Lifecycle Manager log files and esxupdate log files for more details.
The errors noticed in esxupdate logs:
This is generally noticed when there is change done by the vendor on the respective VIB details (Vib name, vendor name etc.). The vib present in the ESXi and the one getting introduced during update both try to claim the same file. We can't have too VIBs claim the same file (unless the two vibs are same). Hence the error.