Here I am sharing Configuration of Service Desk On Solution Manager 7.0 First Step
Follow This Link Service Desk Configuration .
Some Tips That can Help you :
1)In case you fail at step where you need to fetch component using transaction DSWP go to note no. 926419.
2) In case you face internal error while executing DSWP follow this note:1059271.
3)While Configuring Service Desk If you face error like "report CRM_MKTBP_ZCACL_UPDATE_30" follow note :450640
4)Other than these notes can also Help 864195 Problems when you create support message in Solution Mngr,949292 Solution Manager: Service Desk Related SAP Notes.