VMware vSphere: Troubleshooting

Price
Net
VAT

Price
Price on Request

Duration
5 days

For companies and job seekers:
this course is 100% fundable!
 

Location

Course Language
English

Training Solutions
Online Live

Virtualization is standard—outages are not. Complex vSphere environments require methodical troubleshooting, in-depth system knowledge, and quick decision-making. The focus is on clear analysis methods, comprehensible diagnostics, and sustainable problem solving in the enterprise environment.

Key topics

  • Analyze CPU, RAM, and storage performance.
  • Check network paths, vSwitches, and distributed switches.
  • Identify errors in clusters, HA, and DRS configurations.
  • Handling logs, core dumps, and support bundles.
  • Escalation strategies and structured error documentation.

Prerequisite
Practical experience with VMware vSphere and a basic understanding of data center architectures.

Target audience
IT administrators, infrastructure engineers, virtualization specialists.

Technical depth combined with clear methodology significantly increases operational reliability. Confident troubleshooting reduces downtime, optimizes performance, and creates a solid basis for decision-making in professional IT operations.

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Course content
  • Introduction and course organization
  • Course objectives
  • Define the scope of troubleshooting
  • Structured solution to configuration and operational problems
  • Fault diagnosis and efficiency improvement through methodology
  • Methods for command execution
  • Accessing the ESXi Shell
  • Commands for vSphere components
  • Using the vSphere CLI
  • ESXCLI commands via vSphere CLI
  • Data Center CLI commands
  • Selecting the best tool for troubleshooting
  • Important log files for vCenter Server and ESXi
  • Benefits and features of VMware Skyline
  • How VMware Skyline works
  • VMware Skyline Health
  • VMware Skyline Advisor
  • Analyzing and troubleshooting problems with standard switches
  • Troubleshooting VM connectivity issues
  • Analyzing and troubleshooting network management issues
  • Solving problems with distributed switches
  • Discuss vSphere storage architecture
  • Identify causes of data storage issues
  • Analyze storage connectivity and configuration issues
  • Discuss storage problems and their causes
  • Resolve connectivity errors, correct misconfigurations
  • Restore LUN visibility
  • Review vSphere storage architecture and troubleshooting features
  • Use ESXi and Linux commands for troubleshooting
  • Analyze log files to find causes
  • Investigate ESXi storage issues
  • Resolve VM snapshot issues
  • Resolve storage performance issues
  • Check multipathing
  • Identify common causes of missing paths (PDL, APD)
  • Resolve issues with missing paths between hosts and storage devices
  • Identify and troubleshoot vSphere HA issues
  • Analyze and resolve vSphere vMotion issues
  • Diagnose and resolve common vSphere DRS issues
  • Analysis of VM files and hard disk IDs
  • Identifying and resolving snapshot issues
  • Solve VM startup problems
  • Identify and resolve VM connection issues
  • Diagnosing and resolving VMware Tools errors
  • Analyzing and resolving vCenter Server service issues
  • Diagnosing and resolving vCenter Server database issues
  • Using the vCenter Server Appliance and Bash shell for troubleshooting
  • Identifying and resolving ESXi host issues

Frequently asked questions

  • The course is suitable for administrators, system engineers, and support staff with experience in vSphere environments. Solid knowledge of ESXi, vCenter Server, networks, and storage is required. Practical experience in productive environments significantly increases the benefit.
  • In-depth knowledge of vSphere installation, configuration, and administration is required. Experience with ESXi hosts, vCenter, clusters, HA, and vMotion is expected. A basic understanding of TCP/IP, storage concepts, and log analysis is important.
  • The focus is on systematic error analysis and performance issues. Topics covered include host failures, HA errors, vMotion disruptions, storage latencies, network problems, and VM performance drops. The goal is reproducible troubleshooting based on best practices.
  • A structured troubleshooting approach based on VMware methodology is taught. Logs, ESXCLI, vSphere Client, performance charts, vRealize Log Insight, and diagnostic commands at the host level are used. The focus is on analysis rather than simply remedying symptoms.
  • The focus is on practical application. Work is carried out using realistic lab scenarios that simulate typical malfunctions in productive environments. Participants analyze errors independently and develop comprehensible solutions.
  • This is particularly relevant for preparing for VCP and VCAP certifications in the data center environment. The focus is on gaining an in-depth understanding of error causes and analysis methods, as expected in practice-oriented exams.
  • Reduced downtime is the key benefit. Structured analysis methods allow errors to be isolated more quickly, causes to be identified reliably, and sustainable solutions to be implemented. This increases the stability, performance, and operational reliability of the environment.
  • The focus is exclusively on error analysis rather than basic configuration. While administration courses explain functions, this training focuses on root cause analysis, log interpretation, performance diagnosis, and methodical approaches to troubleshooting.

Do you have any further questions? Please contact us.