6.0.2

Table Of Contents
Troubleshooting a vSphere Upgrade 12
The installation and upgrade software enables you to identify problems on the host machine that can cause
an installation, upgrade, or migration to fail.
For interactive installations, upgrades, and migrations, the errors or warnings are displayed on the nal
panel of the installer, where you are asked to conrm or cancel the installation or upgrade. For scripted
installations, upgrades, or migrations, the errors or warnings are wrien to the installation log le. You can
also consult the product release notes for known problems.
vSphere Update Manager provides custom messages for these errors or warnings. To see the original errors
and warnings returned by the precheck script during an Update Manager host upgrade scan, review the
Update Manager log le vmware-vum-server-log4cpp.log.
The vSphere Ugrade guide describes how to use VMware products and their features. If you encounter
problems or error situations that are not described in this guide, you may nd a solution in VMware
Knowledge Base. You can also use VMware Community Forums to nd others with same problem or ask for
help, or you can open Support Request to get help from VMware service professional.
This chapter includes the following topics:
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“Collecting Logs for Troubleshooting a vCenter Server Installation or Upgrade,” on page 207
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“Collect Logs to Troubleshoot ESXi Hosts,” on page 209
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“Errors and Warnings Returned by the Installation and Upgrade Precheck Script,” on page 210
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“Restore vCenter Server Services If Upgrade Fails,” on page 211
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“VMware Component Manager Error During Startup After vCenter Server Appliance Upgrade,” on
page 212
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“Microsoft SQL Database Set to Unsupported Compatibility Mode Causes vCenter Server Installation
or Upgrade to Fail,” on page 213
Collecting Logs for Troubleshooting a vCenter Server Installation or
Upgrade
You can collect installation or upgrade log les for vCenter Server. If an installation or upgrade fails,
checking the log les can help you identify the source of the failure.
You can choose the Installation Wizard method or the manual method for saving and recovering log les for
a vCenter Server for Windows installation failure.
You can also collect deployment log les for vCenter Server Appliance.
VMware, Inc.
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