IBM Connections 5.0 CR2: Upgrade of Filenet Content Engine Server fails

The upgrade of the Filenet Content Engine Server component for IBM Connections CR2 on Windows machines failed for two customers now. The command ‘update-ce.bat -was.dm.path “D:\IBM\WebSphere\AppServer\profiles\Dmgr01” -was.admin.user wasadmin -was.admin.password password -ce.fp.installer.location “D:\INSTALL\CCMFIXCR2\5.2.1-P8CPE-WIN.EXE”‘ failed always with the message “Error: Please read the