- You'll have more than one of them
- None of them will work across the enterprise, maybe not even across a department
- It will have upgrade problems
- You'll try and consolidate them... and probably fail
There is no such thing as a single Enterprise wide tool for any company of reasonable complexity and its plain silly to believe that the next technology wave will be any different from previous ones in terms of delivering on the promise of the "one ring to bind them" vision of ERP/EAI/EDM/ESB.