Error:
While connecting to SAP system you get error Logon failed.
Details: You do not have the necessary rights to design reports against the SAP system. Please check with your system administrator.
Resolution:
Before trying to connecting to your sap system you need to import transport request available in folder
C:\Documents and Settings\Maheshk\Desktop\DATA_UNITS\CrystalReports\Collaterals\Add-Ons\SAP\Transports
After finishing of transports provide user with authorization object ZSEGREPORT with activity 01.
After authorization is provided user can connect to sap system through crystal reports.