Microsoft-Windows-SPB-ClassExtension

Seen on:

• Windows 2012

• Windows 8.0

• Windows 8.1

• Windows 10 (1511, 1607, 1703, 1709, 1803, 1809, 1903, 1909, 2004, 20H2)

• Windows 2016

• Windows 2019

• Windows 11 (21H2)

Name:	Microsoft-Windows-SPB-ClassExtension
Identifier:	{72cd9ff7-4af8-4b89-aede-5f26fda13567}
Log type(s):	System
Log source(s):	Microsoft-Windows-SPB-ClassExtension
Event message file(s):	%SystemRoot%\system32\drivers\SpbCx.sys