Blackberry enterprise:Service connection is unavailable problem. when you went through a BlackBerry Curve enterprise activation and received the error: “Enterprise activation failed. Service connection is unavailable”

how to fix the problem:
It seems that the BES server just seemed to be busy at the time you were trying to do the Enterprise Activation. The best way to do the Enterprise Activation try following the steps:

1. Battery Disconnect (for 20 seconds)
2. Make sure you have the “data” connection on your BlackBerry Curve handheld
3. Register handheld via Host Routing Table
4. Perform the Enterprise Activation.

Tags: BlackBerry Curve problem, BlackBerry fix, service unavailable