Update Manager installation fails with error: "Setup failed with an unknown error. vCenter Server credentials could not be validated OR Error 25127 - Failed to upgrade Database"
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Update Manager installation fails with error: "Setup failed with an unknown error. vCenter Server credentials could not be validated OR Error 25127 - Failed to upgrade Database"

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Article ID: 330126

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Updated On:

Products

VMware vCenter Server

Issue/Introduction

Symptoms:
  • Installing Update Manager fails with error : Update Manager Installation fails with : Setup failed with an unknown error. vCenter Server credentials could not be validated

 
  • Some times, the Application crashes after entering the SSO credentials.


Cause

This issue is mostly caused by missing DLL on the Windows operating system.

Once you get the error, do not Close the error window and check the install log under %temp%

VMware Update Manager-build-13927963: 12/06/19 07:57:15 AppendPath::done Path: C:\Windows\TEMP\2\vum\vciInstallUtils.exe
VMware Update Manager-build-13927963: 12/06/19 07:57:15 Process returned 3221225781
 VMware Update Manager-build-13927963: 12/06/19 07:57:15 Found "C:\Windows\TEMP\2\vum\vciInstallUtils.exe"
VMware Update Manager-build-13927963: 12/06/19 07:57:15 Error:: Other runtime error


Open RUN window and try running the vciInstallUtils.exe (path will be in the logs, likely: C:\Windows\TEMP\2\vum\vciInstallUtils.exe) manually and this should fail with missing DLL: msvcr120.dll

Resolution

To resolve the issue:

1. Copy the msvcr120.dll  located at: C:\Windows\System32 from another vCenter machine.

2. Paste the msvcr120.dl file to the machine where the Update Manager installation is failing to the following location: C:\Windows\System32.

3. Once done, re-run the Update Manager installation.