Troubleshooting VMware products
Top Stories
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Tip
20 Nov 2020
How to troubleshoot a VMware Horizon black screen
One of the most common issues with VMware Horizon virtual desktops is a black screen displaying and crashing the desktop, so IT admins should learn how to troubleshoot this issue. Continue Reading
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Tip
13 Nov 2020
How to set up a VMware home lab on a budget
Set up a small, energy-efficient, at-home VMware virtualization lab for under $1,000 by evaluating your PC, software subscription and storage options. Continue Reading
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Tip
24 Aug 2020
VMware general support for vSphere 6 ended; know your options
VMware ended general support for vSphere 6.0 in March 2020. If you still use this version of vSphere, you should know your options moving forward. Continue Reading
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Tip
12 Mar 2020
Fix VMware DNS troubles with proper setup
To troubleshoot DNS issues in your VMware environment, ensure all components are installed completely, including reverse lookup zones and fully qualified names. Continue Reading
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Tip
28 Feb 2020
VMware Horizon View troubleshooting guide for desktop admins
IT pros can read this VMware Horizon View troubleshooting guide to learn how to set up desktop troubleshooting in Horizon and identify connection, UX and authentication issues. Continue Reading
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Tip
30 Sep 2019
How to resolve a vSphere TPM error
If you encounter a host TPM attestation alarm -- meaning the system cannot verify your host -- in vSphere 6.7, you can modify settings in the server's UEFI to troubleshoot. Continue Reading
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Tip
31 Jul 2019
How to troubleshoot unexpected ESXi host reboots using crash logs
When your ESXi host abruptly reboots, you can use logs to track the potential causes, whether they are planned, environmental or hardware-related. Continue Reading
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Tip
22 Apr 2019
How to resolve 5 common VMware SRM error messages
You can use VMware Site Recovery Manager to protect your VMs and the apps that run on them. When SRM errors occur, follow these steps to easily resolve them. Continue Reading
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Tip
28 Feb 2019
What to do when you can't deploy an OVF template
Invalid certificates can keep OVF-based VM deployments from working properly. Luckily, admins can work around this issue by logging into the host or using the OVF Tool application. Continue Reading
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Tip
24 Sep 2018
Access vCenter MOB and enable advanced troubleshooting
The vCenter mobile object browser provides a vast amount of information. Follow these steps to make it navigable and useful for some of the most difficult troubleshooting cases. Continue Reading
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Tip
17 Aug 2018
Get up to speed on VMware vSAN troubleshooting basics
VMware vSAN is only as capable as proper implementation and maintenance enable it to be. To troubleshoot cluster health and performance issues, start with these basics. Continue Reading
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Tip
11 Jul 2018
VCenter monitoring enables granular troubleshooting
Combine vCenter logging and performance metrics to troubleshoot virtual systems. Hypervisors might add complexity, but they also offer new levels of insight. Continue Reading
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Answer
24 Oct 2017
How do you use VMware ESXi logs to troubleshoot your host?
With access to logs, you can troubleshoot your ESXi host and track issues as they crop up. You can access your logs via the console or a web browser with only a few simple steps. Continue Reading
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Answer
20 May 2017
What issues can storage I/O control present in vSphere?
Storage I/O control can be an effective way to handle occasional storage sharing issues, but it is not always suitable for every virtual machine. Continue Reading
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Answer
01 May 2017
Best practices to keep your vSphere environment secure
VMware introduced a lot of new features that focused on security in vSphere 6.5. But, beyond those features, you can follow these practices to improve security. Continue Reading
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Tip
08 Oct 2015
Correcting your cables with PCI bus enumeration
Sometimes, fixing cables is as easy as making sure they're plugged in correctly. Other times, it might be an issue with the server. Continue Reading
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Tip
21 Aug 2015
Why production environment testing is better than a lab setting
Should you test a monitoring tool in your production environment? Only if you want it to get an accurate look at the infrastructure. Continue Reading
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Answer
22 Jul 2015
Can a VMware snapshot resurrect a VMDK file?
Snapshots can be used to undo botched upgrades, but can they be used to rebuild a broken VMDK file? Continue Reading
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Tutorial
17 Mar 2015
Staying safe while manually modifying a VMX file
What happens when you can't make changes to a VM in the vSphere client? There's more than one way to tweak the configuration file. Continue Reading
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Answer
03 Apr 2014
How to hunt down VM network timeout issues with performance charts
Setting up the performance counters in the vSphere client can help troubleshoot a dropped packets issue. Continue Reading
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Tip
10 May 2013
Ways to investigate and fix VMware View Connection Server issues
VDI admins can troubleshoot and fix problems in a VMware View Connection Server and its LDAP directory using just a few commands. Continue Reading
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Tip
08 May 2013
VMware snapshot size and other causes for slow snapshots
Snapshots offer multiple restore points for VMs, but add complication. Poor performance can stem from the VMware snapshot size and other root causes. Continue Reading
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Tip
23 Apr 2013
Which VMware network settings to adjust to troubleshoot VM packet loss
Even the best VMware networking setups hit snags, but you have tools. Adjusting specific VMware network settings can fix packet loss in a VM. Continue Reading
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Feature
29 Oct 2012
VMware issues SSO patch, new SSL documentation
VMware is looking to put its SSO and SSL houses in order with new software and documentation updates, but vExpert bloggers say some questions and issues remain. Continue Reading
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Tip
11 Jun 2012
Finding and correcting performance bottlenecks in a vSphere lab
Performance bottlenecks aren’t limited to production environments. Learn about the tools that can identify problems and prevent slow VMs from bogging down your vSphere lab. Continue Reading
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Tip
11 Oct 2011
Advanced ESXi troubleshooting with Tech Support Mode
With Tech Support Mode enabled, you can use advanced VMware troubleshooting commands to diagnose and resolve ESXi host problems when the vSphere Client won’t do. Continue Reading
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Tip
27 Sep 2011
ESXi console tech support mode: When the vSphere Client isn’t enough
The ESXi console and its tech support mode can solve many issues that the vSphere Client can’t. Once enabled, you have the power of the Linux command line at your disposal. Continue Reading
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Tip
28 Mar 2011
Five silly VMware administrator mistakes
Face it: VMware administrators make mistakes all the time. It’s part of the learning process. That said, some mistakes are downright silly. Continue Reading
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Tip
14 Mar 2011
Top 10 VMware security tips for vShield users
Installing VMware vShield is complex, but you can reduce the degree of difficulty with these 10 VMware security tips. They’re so easy, even a caveman could do them. Continue Reading
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Tip
23 Feb 2009
Recovering RDM data with VMware ESX troubleshooting
Accidentally deleting important VMware ESX partitions cost our expert raw device mapping data. But a last attempt with an unlikely solution finally saved the day – and the data. Continue Reading
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Tip
24 Jun 2008
Resolving VMware ESX problems without pulling the plug
Instead of being driven to desperation and being forced to press Restart, you can learn resolve VMware ESX problems quickly. Continue Reading
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Tip
03 Jun 2008
Troubleshooting common VMware ESX host server problems
Get a grip on potential VMware ESX host server problems including the purple screen of death, a frozen service console, and rebuilding your network configurations after they've been lost. Continue Reading
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Tip
12 Mar 2008
Troubleshooting failed VMware Converter P2V migrations
A failed VMware Converter physical-to-virtual migration has numerous sources of potential failure, and even your best-laid plans may not prevent a problem. But this tip offers detailed troubleshooting to identify the problem. Continue Reading