vRealize Log Insight upgrade fails with an Internal Server Error because of a connection problem.

Problem

Upgrading vRealize Log Insight fails and you see an error message Upgrade Failed. Internal Server Error.

Cause

A connection problem occurred between the client and the server. For example, when you attempt to upgrade from a client that is on a WAN.

Procedure

Upgrade LI from a client on the same LAN as the server.