Maintenance windows need to be streamlined.
Over 4 years
No, it was quick (30 days)
Yes, we've had issues with the vCenter integration.
Yes, without Oracle it is difficult to grow.
5 stars! Excellent.Technical Support:
5 stars! Excellent.
Yes, HP OpenView, which was too difficult to administer.
It was simple.
A combination of in-house and vendor reployment.
Yes we evaluated Solarwinds, Nagios and others.
Plan to start with a small implementation using a scrum release. Evolve the up.time implementation by later adding dashboards, topological dependencies, SLAs and more.