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40 - IT-O - Information Technology - Operating Systems and System Administration

IT-O 124 - Active Directory: Troubleshooting Workshop PLUS

Code Start Date Duration Venue
IT-O 124 27 May 2024 5 Days Istanbul Registration Form Link
IT-O 124 01 July 2024 5 Days Istanbul Registration Form Link
IT-O 124 05 August 2024 5 Days Istanbul Registration Form Link
IT-O 124 09 September 2024 5 Days Istanbul Registration Form Link
IT-O 124 14 October 2024 5 Days Istanbul Registration Form Link
IT-O 124 18 November 2024 5 Days Istanbul Registration Form Link
IT-O 124 23 December 2024 5 Days Istanbul Registration Form Link
Please contact us for fees


Course Description

This course provides participants with the skills required to understand and successfully troubleshoot Active Directory (AD) problems, including AD-related critical services, DNS issues, logon failures, Active Directory replication failures, as well as DFSR related issues. There is an optional module on troubleshooting domain controller performance. Students learn the tools used in Active Directory troubleshooting to help them accelerate time to resolution.

Course Objectives

  • Introducing to the Active Directory Critical services
  • Covering FSMO roles and key troubleshooting scenarios
  • Explaining why AD is reliant on DNS
  • Covering what AD administrators need to know about how AD uses DNS
  • Focusing on typical performance
  • Reinforcing learning by introducing many common troubleshooting scenarios 

Who Should Attend?

  • Senior or top-level IT staff 
  • Operating-environment infrastructure architects
  • Windows Server administrators
  • Escalation support staff

Course Details/Schedule

Day 1

  • Introduction to Active Directory Troubleshooting
  • On-Premises Active Directory and the Future
  • General approach to Active Directory troubleshooting
    • Troubleshooting Critical Services and Flexible Single Master Scenarios
    • Symptoms and diagnosis of issues
    • Common tools and utilities to resolve issues

Day 2

  • Troubleshooting Active Directory Issues Related to DNS
  • Active Directory’s dependencies on DNS
  • Troubleshooting DCs registration of DNS records
  • Troubleshooting DNS issues using Netlogon.dns file
  • Record registration and DC Locator based DNS queries
  • Designing DNS for Active Directory

Day 3

  • Troubleshooting Client Logon and Authentication
  • Name resolution and secure channel issues
  • Kerberos authentication issues
  • NTLM authentication issues
  • RODC and other authentication issues

Day 4

  • Troubleshooting Active Directory Replication
  • Key components of a replication topology
  • Dependencies of Active Directory replication
  • Troubleshooting scenarios
  • Tools to resolve replication issue

Day 5

  • Troubleshooting DFSR
  • Overview of DFS
  • DFSN Terminology (DFS-N & DFS-R)
  • Troubleshooting DFSR
  • DFSR Migration
  • Troubleshooting Domain Controller Performance