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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>22.7. Unable to power on virtual machine on VMware</title><link rel="stylesheet" type="text/css" href="Common_Content/css/default.css" /><link rel="stylesheet" media="print" href="Common_Content/css/print.css" type="text/css" /><meta name="generator" content="publican 2.8" /><meta name="package" content="Apache_CloudStack-Admin_Guide-4.0.0-incubating-en-US-1-" /><link rel="home" href="index.html" title="CloudStack Administrator's Guide" /><link rel="up" href="troubleshooting.html" title="Chapter 22. Troubleshooting" /><link rel="prev" href="troubleshooting-unable-to-deploy-vms.html" title="22.6. Unable to deploy VMs from uploaded vSphere template" /><link rel="next" href="troubleshooting-lb-rules-fails.html" title="22.8. Load balancer rules fail after changing network offering" /></head><body><p id="title"><a class="left" href="http://cloudstack.org"><img src="Common_Content/images/image_left.png" alt="Product Site" /></a><a class="right" href="http://docs.cloudstack.org"><img src="Common_Content/images/image_right.png" alt="Documentation Site" /></a></p><ul class="docnav"><li class="previous"><a accesskey="p" href="troubleshooting-unable-to-deploy-vms.html"><strong>Prev</strong></a></li><li class="next"><a accesskey="n" href="troubleshooting-lb-rules-fails.html"><strong>Next</strong></a></li></ul><div xml:lang="en-US" class="section" id="troubleshooting-unable-to-power-on-vm" lang="en-US"><div class="titlepage"><div><div><h2 class="title" id="troubleshooting-unable-to-power-on-vm">22.7. Unable to power on virtual machine on VMware</h2></div></div></div><div class="formalpara"><h5 class="formalpara" id="idp19088416">Symptom</h5>
Virtual machine does not power on. You might see errors like:
</div><div class="itemizedlist"><ul><li class="listitem"><div class="para">
Unable to open Swap File
</div></li><li class="listitem"><div class="para">
Unable to access a file since it is locked
</div></li><li class="listitem"><div class="para">
Unable to access Virtual machine configuration
</div></li></ul></div><div class="formalpara"><h5 class="formalpara" id="idp38700296">Cause</h5>
A known issue on VMware machines. ESX hosts lock certain critical virtual machine files and file systems to prevent concurrent changes. Sometimes the files are not unlocked when the virtual machine is powered off. When a virtual machine attempts to power on, it can not access these critical files, and the virtual machine is unable to power on.
</div><div class="formalpara"><h5 class="formalpara" id="idp12372144">Solution</h5>
See the following:
</div><div class="para">
<a href="http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&amp;cmd=displayKC&amp;externalId=10051/">VMware Knowledge Base Article</a>
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