cr 2011 Connection

hello,

1) as we know Crystal reports 2011 can connect directy to Erp , thus we have to put server ( cmc+bi launch ). ??

or just tool can directly connected from desktop to erp system directly with the help of ready made connection directly to erpc>>

2)how can i solve that error msg

Logon failed.

Details: you donot have the necessary rights to design
reports against .The sap system.pls check with your system adiministrator