Hi Laxmikanth
Please first implement the note which Bruno has suggested
1830640 - Authorizations for SAP Solution Manager RFC users as of SP09
THis note contains some new/updated security roles which are given as an attachment to note .
You need to download them and upload to solman system using PFCG
Once above is done you will get latest roles ,since you are in solman 7.1 SP12 you can distribute these roles to managed system automatically using step3 RFC setup
were you able to solve the warning for No FQDN found
Regards,
Murali