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Knowledge Base

Troubleshooting virtual machine performance issues for VMs running on VMware Workstation, ACE, Player, or Server (1008360)

Last Updated: 3/20/2024Categories: TroubleshootingTotal Views: 68779Language:
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Learn how VMware Skyline Advisor and Skyline Health Diagnostics work together to provide proactive intelligence and self-service log analysis.

Use Skyline Advisor to avoid issues before they occur across VCF, vSphere, vSAN, NSX, vROps & Horizon. Skyline Findings are based on top KBs, VMSAs/CVEs and design best practices.

Use Skyline Health Diagnostics to root cause vSphere & vSAN logs when an issue occurs. Skyline Health Diagnostic Findings are based on top KBs and VMSA/CVEs. You can use the Skyline Health Diagnostics tool in online or offline mode.

If you require additional help from technical support, please use Skyline Advisor to initiate a Log Assist to reduce time to upload logs. TSEs can also initiate logs to reduce effort.

Symptoms

The guest operating system boots slowly

Applications running in virtual machines perform poorly

Applications running in virtual machines take a long time to launch

Applications running in virtual machines frequently become unresponsive

Multi-user services have long transaction times or can handle less simultaneous users than expected

Purpose

This articles discusses identifying and resolving various issues that affect virtual machine performance running on VMware Workstation, ACE, Player, or Server.

For Virtual Machines running on ESXi, see: Troubleshooting ESX/ESXi virtual machine performance issues (2001003)

Resolution

Each step below provides instructions and a link to a document, for performing the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and to identify the proper resolution. They are also ordered in the most appropriate sequence to minimize data loss. After completing each step, evaluate the virtual machine performance again. Work through each troubleshooting step in order, and do not skip a step.

Verify that the reduced performance is unexpected behavior. When a workload is virtualized it is common to see some performance reduction due to virtualization overhead. Troubleshoot a performance problem if you experience these conditions:

The virtual machine was previously working at acceptable performance levels but has since degraded

The virtual machine performs significantly slower than a similar setup on a physical computer

You want to optimize your virtual machines for the best performance possible

Verify that you are running the most recent version of the VMware product being used. For download information, see the VMware Download Center.

Check that VMware Tools is installed in the virtual machine and running the correct version. The version listed in the toolbox application must match the version of the product hosting the virtual machine. To access the toolbox, double-click the VMware icon in the notification area on the task bar, or run vmware-toolbox in Linux. Some VMware products indicate when the version does not match by displaying a message below the console view. For more information on installing VMware Tools, see Overview of VMware Tools (340).

Review the virtual machine's virtual hardware settings and verify that you have provided enough resources to the virtual machine, including memory and CPU resources. Use the average hardware requirements typically used in a physical machine for that operating system as a guide. Adjustments to the settings are required to factor-in the application load: higher for larger loads such as databases or multi-user services, and lower for less intense usage such as casual single-user application like e-mail or web clients. Consult your operating system and application documentation for more information.

Ensure that any antivirus software installed on the host is configured to exclude the virtual machine files from active scanning. Install antivirus software inside the virtual machine for proper virus protection. For more information, see Investigating busy hosted virtual machine files (1003849).

Check the storage sub-system on the host and verify that it is configured for optimal performance. For information, see Troubleshooting hosted disk I/O performance problems (1008885).

Verify that there are enough free resources on the host to satisfy the requirements of the virtual machine. In VMware hosted products resources must be shared by both the host operating system and all running guests. For more information, see Investigating hosted virtual machine resources (1003848).

Disable the CPU power management features on the host. In some cases, these features can cause CPU performance issue with virtual machines. For more information, see Virtual Machine Clock Reports Time Unpredictably on Multiprocessor Systems (2041).

Verify that host networking issues are not impacting the performance of the virtual machine. For more information, see Verifying host networking speed (1009527).

Verify that the host operating system is working properly and is in a healthy state. When the host is not working correctly it may draw excessive resources from the guests. For more information, see Verifying the health of an operating system (1003956).

If the issue continues to exist after trying the steps in this article:

Collect the VMware Support information. For more information, see Collecting diagnostic information for VMware products (1008524)

File a support request with VMware Support and quote this Knowledge Base article ID (1008360) in the problem description. For more information, see Filing a Support Request in Customer Connect (2006985).

NOTE: This articles discusses identifying and resolving various issues that affect virtual machine performance running on VMware Workstation, ACE, Player, or Server. For Virtual Machines running on ESXi, see: Troubleshooting ESX/ESXi virtual machine performance issues (2001003)

Related Information

VMware Skyline Health Diagnostics for vSphere - FAQ
Investigating hosted virtual machine resources
Investigating busy hosted virtual machine files
Verifying the health of an operating system
Collecting diagnostic information for VMware products
Troubleshooting hosted disk I/O performance problems
Verifying host networking speed
Collecting diagnostic information for VMware Workstation
How to file a Support Request in Customer Connect
仮想マシンのパフォーマンス問題に対するトラブルシューティング
Como solucionar problemas de desempenho da máquina virtual
Virtual Machine Clock Reports Time Unpredictably on Multiprocessor Systems
虚拟机性能问题故障排除
Overview of VMware Tools

Detectable by VMware SkylineTM

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