Hi Michal,
Task management cover under below topics
The applications in the Solution Manager that use tasks are:
- Issue and Top Issue Management
- Change Request Management
- Central System Administration
- Downtime Management
- Job Scheduling Management
http://help.sap.com/saphelp_NW70EHP1/helpdata/en/45/78e5bb26f0473fab1f4d25f9f4e124/content.htm
Please check the http://service.sap.com/rkt-solman for more details.
Rg,
Karthik