1. Tasks are not clear.
2. "Build it and they will come."
3. Not understanding the problem before buying the technology.
4. Automating "bogus" work processses. 
5. Failure to effectively "market" the new system.
6. Not training the leaders. 
7. Ignoring stakeholders.
8. "If you only have a hammer?"
9. Invoking the security god.
10. Forgetting that "people pay attention to what the boss pays attention to."

via techtarget