Hello Experts!
At the moment i have a little issue with upgradeing from backup exec 2010 to 2012.
When i am starting the installation of the 2012 at the Enviroment Check stops the installation at the point: System drive check:
I have Lumension anm Mcafee agents on the server but i disabled the service of them

Here is a end of the log file, but it not contains any relevant information for me:
08-14-2012,14:24:37 : GetClusterUpgradeState returning 0
08-14-2012,14:24:37 : GetClusterUpgradeState returning 0
08-14-2012,14:24:37 : GetClusterUpgradeState returning 0
08-14-2012,14:24:37 : GetClusterUpgradeState returning 0
08-14-2012,14:24:45 : Telemetry Switch setting : False
08-14-2012,14:24:45 : GetClusterUpgradeState returning 0
08-14-2012,14:24:45 : GetClusterUpgradeState returning 0
08-14-2012,14:24:46 : GetClusterUpgradeState returning 0
08-14-2012,14:24:46 : GetClusterUpgradeState returning 0
08-14-2012,14:24:46 : GetClusterUpgradeState returning 0
08-14-2012,14:24:46 : GetClusterUpgradeState returning 0
08-14-2012,14:24:50 : m_bUseNativeClient = 1
08-14-2012,14:24:50 : Executing SQL_GetServicePack.
08-14-2012,14:24:50 : SQL_GetServiceName. GetComputerName
08-14-2012,14:24:50 : HU0110
08-14-2012,14:24:50 : DRIVER={SQL Native Client};SERVER=HU0110\BKUPEXEC;Trusted_Connection=Yes
08-14-2012,14:24:50 : Connected to SQL Server.
08-14-2012,14:24:50 : HU0110\BKUPEXEC is a SQL Server Product Level: 'SP3'
08-14-2012,14:24:50 : Executing SQL_GetSQLServerEdition.
08-14-2012,14:24:50 : SQL_GetServiceName. GetComputerName
08-14-2012,14:24:50 : HU0110
08-14-2012,14:24:50 : DRIVER={SQL Native Client};SERVER=HU0110\BKUPEXEC;Trusted_Connection=Yes
08-14-2012,14:24:50 : Connected to SQL Server.
08-14-2012,14:24:50 : Executing SQL_GetServicePack.
08-14-2012,14:24:50 : SQL_GetServiceName. GetComputerName
08-14-2012,14:24:50 : HU0110
08-14-2012,14:24:50 : DRIVER={SQL Native Client};SERVER=HU0110\BKUPEXEC;Trusted_Connection=Yes
08-14-2012,14:24:50 : Connected to SQL Server.
08-14-2012,14:24:50 : HU0110\BKUPEXEC is a SQL Server Product Level: 'SP3'
If you have any idea don't hesitate to share it with me!