Werk #3779: availability: added validation of availability options
| Component | User interface |
| Title | availability: added validation of availability options |
| Date | Aug 25, 2016 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk Version | 1.2.8p10 1.4.0i1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
