yes the account have sysadmin right.

I've installed an other machine with Sql Enterprise edition with the same account and the installation program has been created the privileges right for the...

none for install.

In case of start of sql server agent there is the following message:

Source Service control manager

Event ID 7000

Message: the sqlserveragent service failed to start due to the...

Server: Msg 8149, Level 16, State 1, Procedure sp_OACreate, Line 13

OLE Automation objects are not supported in fiber mode.

There is a workaround about this?

Thanks.

Fab