Error Message :
These kind of errors may appear during the installation:

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Unable to read instance configuration: PORTIOA variable cannot be set : upgrade abandoned
Unable to read instance configuration: UXDQM variable cannot be set. Upgrade abandoned.
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Patch level detected:Dollar Universe 6.0.00
Product Version: Dollar.Universe 6.0.0

Description :When installing Dollar Universe 6 in mode upgrade, the installation can't finish stating that some ports are not set.

Cause type:
Configuration
Root Cause: Some ports had been removed manually from the services file ( /etc/services on UNIX or C:\windows\system32\drivers\etc\services on Windows)

OS: All

Simply add the missing lines to the services file ( /etc/services on UNIX or C:\windows\system32\drivers\etc\services on Windows).
You can get them from another server installed from scratch with the kit.
Then retry the installation of the v6 kit in mode upgrade.

Fix Status: No Fix
 

Workaround :
N/A