Problem

Received error 8024402C when attempting to run Windows Update on a server running Windows Server 2012 R2.

Solution

Issuing the following commands in a cmd prompt using the “Run as administrator” option resolved the issue:

wuauclt /detectnow
wuauclt /resetauthorization /detectnow
wuauclt /reportnow

Note that no messages were displayed after issuing each of these commands.