Fix MSIEXEC returned 1602: Trellix Setup cannot use this account

01/07/202505/04/2026

In this article, we will discuss “(installation cancelled) – Fix MSIEXEC returned 1602: Trellix Setup cannot use this account”. Due to the multiple errors encountered during the re-installation of Trellix ePolicy Orchestrator (ePO) in my Lab. I have therefore decided to show all relevant errors in this blogpost. Also, these are fixes to common Trellix…

Windows Server

Service Principal Name: How to add or reset and delete SPNs

02/09/202109/07/2025

Christian 2 Comments

In this article, we shall discuss the steps resolving “Service Principal Name: How to add or reset and delete SPNs”. A service principal name (SPN) is a unique identifier of a service instance. SPNs are used by Kerberos authentication to associate a service instance with a service logon account. For example, to enable the MBAM server to…

Windows