Top 10 Most Popular Knowledge Articles for ESXi, VCenter, Automation Operations, vCF, and vCD for September, 2023

Get answers and solutions instantly by using VMware's Knowledge Base (KB) articles to solve known issues. Whether you're looking to improve your productivity, troubleshoot common issues, or simply learn something new, these most used and most viewed knowledge articles are a great place to start.

Here are the top 5 most viewed KB articles for ESXi, VCenter, Automation Operations, vCF, and vCD:

1. Build numbers and versions of VMware Tools (86165)

This knowledge base article provides a table of VMware Tools build numbers and versions, along with their release dates and internal version numbers. Users are advised to consult a VMware version-mapping file for the VMware Tools versions bundled with different VMware ESXi versions.

1. "The entity xxxxx is undergoing maintenance operations" message when attempting to perform actions on a VM with an Organization user in Cloud Director (91587)

In this knowledge base article, the symptoms described involve limitations in performing actions on vApps or VMs by Organization-level users in the Cloud Director Tenant UI. The cause is identified as the vApp being in maintenance mode, restricting modifications to System-level users only. The resolution involves disabling maintenance mode via the Cloud Director API using the exitMaintenanceMode operation, with step-by-step instructions provided. This will allow Organization-level users to perform operations again. Additional information is provided for connecting to the Cloud Director API.

1. How to clear space on VCSA /storage/log partition (83070)

This knowledge base article addresses the issue of a full /storage/log partition on a vCenter Appliance, leading to various errors and potential risks, including inaccessibility and data corruption. It identifies potential causes and known issues, as well as provides a step-by-step resolution process. This includes checking for specific log files, removing unnecessary files, and potentially resizing the partition, all with a strong emphasis on the need for backups and caution when deleting files or resizing disks.

1. Addressing Security Vulnerabilities CVE-2023-34039 and CVE-2023-20890 in VMware Aria Operations for Networks (Formerly vRealize Network Insight) On-Prem installations (94152)

This knowledge base article addresses multiple vulnerabilities in Aria Operations for Networks (formerly vRealize Network Insight). It lists CVEs for authentication bypass and arbitrary file write vulnerabilities. The impact spans various versions of Aria Operations for Networks, and the resolution involves upgrading to version 6.11.0 or applying specific patches for versions 6.2 to 6.10. The article also provides instructions on how to apply patches through the Aria Operations for Networks GUI and vRSLCM, with additional guidance and documentation links for the update process.

1. Upgrading vCenter Server 7.0 fails during precheck with "Host(s) were found in the vCenter Inventory, that are potentially problematic for a vCenter upgrade" (86447)

This kb article discusses the new precheck requirement for upgrading to vCenter Server 7.0U3c+. This precheck helps ensure that ESXi hosts are at the correct versions to prevent driver conflicts. The article provides guidance on reading the precheck results, troubleshooting, and resolving potential dual i40en driver conflicts on affected hosts. The recommended solution involves upgrading the affected hosts to 7.0 U3c+ with an ISO upgrade baseline or through vSphere Lifecycle Manager.

Here are the top 5 most Linked KB articles for ESXi, VCenter, Automation Operations, vCF, and vCD:

1. Step by Step procedures for vCenter Server and ESXi install and upgrade (82681)

This knowledge base article is a comprehensive resource that provides links to step-by-step procedures for ESXi and vCenter install and upgrade scenarios, including upgrading vCenter Server from 6.5 to 6.7, migrating to vCenter Server Appliance (VCSA), ESXi host upgrades using Update Manager, and managing VMware Tools and virtual machine hardware. It serves as a one-stop guide for users looking to install, upgrade, or maintain their VMware environment.

1. How to clear space on VCSA /storage/log partition (83070)

The article provides information on troubleshooting and resolving the problem, including identifying potential causes such as log files not being cleared, excessive events filling up logs, or a small /storage/log partition. It also outlines the risks involved and offers steps to resolve the issue, such as deleting excessive log files or resizing the virtual disk. The article emphasizes the importance of having a backup before making any changes.

1. Failed to power on virtual machine (82542)

This knowledge base resource addresses the issue of virtual machines (VMs) failing to power on. It provides a guide to identify symptoms and their possible causes, which include various factors like OS problems, file issues, network problems, and more. The article highlights the potential impact on users and offers a comprehensive list of specific symptoms, their causes, and suggested resolutions for each case. It aims to assist users in troubleshooting and resolving VM power-on issues effectively.

1. How to Disable vCLS on a Cluster via Retreat Mode (91890)

This knowledge base article provides information on how to disable vCLS (vSphere Cluster Service) on a vSphere cluster. Disabling vCLS can impact cluster services, such as vSphere DRS (Distributed Resource Scheduler). The article outlines the steps to enter Retreat Mode, which disables vCLS on the cluster. It also discusses the impact on services and the steps to revert the cluster to its original state if needed. The article includes instructions for different vSphere versions and methods, including the vCenter Server UI and APIs/CLIs. It also explains how to identify vCLS VMs in various ways.

1. Announcing End of General Support for vSphere 6.5.x and vSphere 6.7.x (89305)

This knowledge base article informs users that VMware has officially ended general support for vSphere 6.5.x and vSphere 6.7.x as of October 15th, 2022. To maintain full Support and Subscription Services, VMware recommends upgrading to supported vSphere versions. Various related links to SHD resources are included as well as a video demo.

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