Book Image

VMware vRealize Configuration Manager Cookbook

By : Abhijeet Shriram Janwalkar
Book Image

VMware vRealize Configuration Manager Cookbook

By: Abhijeet Shriram Janwalkar

Overview of this book

VMware vRealize Configuration Manager (VCM) helps you to automate IT operations, manage performance, and gain visibility across physical and virtual infrastructure. It is continuously being used by enterprises to audit the configurations of the VMware infrastructure as well as the Windows, Linux, and UNIX operating systems. This book is filled with practical recipes through which you will learn about the latest features of vRealize Configuration Manager 5.8.X, starting with installation of various tiers of VCM followed by configuration management across physical and virtual servers. Throughout this book, you will explore how VCM can perform tasks such as patch management, compliance assessment, and software package distribution along with Machine filters for new platforms such as RHEL 7 and Windows 10. This book will ease your troubles while upgrading from the existing VCM to the latest version by providing you with step-by-step instructions about the process of migration along with upgrade and maintenance support. This book will help you understand how to integrate vRealize Configuration with other applications along with schedule management and also guide you on how to handle security issues. After reading this book, you will have a clear understanding of how VCM fits in the overall picture of the data center design from a patching and compliance perspective.
Table of Contents (18 chapters)
VMware vRealize Configuration Manager Cookbook
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Preface
11
Understanding VCM Console

Troubleshooting agent communication issues


Now, we will have a look at multiple issues faced with agent communication and how they can be resolved.

Getting ready

In this recipe, we will have a look at the following issues:

  • Issue 01: Mutual Authentication failed

  • Issue 02: Rethrown certificate issue

  • Issue 03: PingFailed

  • Issue 04: CredentialsFailed

Issue 01: Mutual Authentication failed

Mutual authentication failure may happen after an upgrade. When you try to collect data, it fails with the error, as shown in the following screenshot:

VCM agent communication issue : Mutual Authentication Failed

You can see the error under Administration Job Manager Instant Collection.

Then, select the appropriate subsection. After that, select the Job in the top-left pane, and you'll be able to see the details in the bottom-left pane.

How to do it...

To resolve the issue, follow these steps:

  1. Select the machine for which you are not able to collect data.

  2. Click on Re-establish Mutual Authentication (the handshake...