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Install or Upgrade fails with “Error occurred during certificate processing. Error 6”

Challenge

An upgrade operation from Veeam 8 to Veeam 9 (or from Veeam 9 to Veeam 9.5) fails with the error message „Error occurred during certificate processing”.
The following lines can be found in BackupSrvLog.log located in C:\ProgramData\Veeam\Setup\Temp :

 
***Veeam*** Binding certificate to port...
***Veeam*** VmWinError has been occurred. Error: 6.
Error occurred during certificate processing.

The below commands in CMD produce an error “The handle is invalid”:
 
C:\>netsh http show urlacl
URL Reservations: 
----------------- 

The handle is invalid.
C:\>net start http 
The service name is invalid.

Cause

This is caused by an HTTP service issue.
Either the service is not started or it is disabled in registry and cannot be started.

User-added image
(HKLM\SYSTEM\CurrentControlSet\services\HTTP, Start)

Solution

a) Change the start type of the service in registry from 4 to 3:

User-added image
Refference: https://technet.microsoft.com/en-us/library/cc959920.aspx

b) Reboot the server.
c) Verify that the service was started by running "net start http" command in CMD.
d) Start Veeam installation/upgrade again.

More information

If the installation fails with Error 5 instad of Error 6, please check the following KB article:
https://www.veeam.com/kb2137
KB ID:
2336
Product:
Veeam Backup & Replication, Veeam Cloud Connect
Version:
8.x, 9.x
Published:
2017-09-19
Last Modified:
2020-08-13
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