When trying to install VMware vCenter Update Manager you see one or more of these errors:
Error 25089 - incorrect username/password for vCenter Server
Error 25085 - Setup failed to register VMware Update Manager extension to VMware vCenter Server
C:\Documents and Settings\Domain Administrator User\Application Data\VMware\VMware Update Manager\vminst.log errors: Posting error message 25085 vmware-updatemgr.exe:: Error - Incorrect username or password provided for VC Server <xxx.xxx.xxx.xxx>. Failed to un-register the extension
Error 1920 Service VMware Update Manager Service (vmware-ufad-vci) failed to start. Verify that you have sufficient privileges to start system services.
The Update Manager tab is not available in the vSphere Client
You are unable to perform any Update Manager tasks.
Purpose
This article guides you through the process of troubleshooting issues with trying to install Update Manager into vCenter Server. The article aims to help you eliminate the common causes for your problem by verifying certain configurations, minimum system requirements, and ensuring the server is setup as outlined in the VMware Update Manager Administration Guide.
Resolution
Validate that each troubleshooting step below is true for your environment. Each step will provide instructions or a link to a document, in order to eliminate possible causes and take corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and identify the proper resolution. Do not skip a step.
Verify that you are not using any non alpha-numeric passwords, and that no utilities or Windows permissions are preventing the installation from occurring. For more information, see VMware Update Manager Plug-in fails to Install (1003468).
File a support request with VMware Support and note this KB Article ID in the problem description. For more information, see How to Submit a Support Request.
