Shadow instance not starting after DBCLONE phase

Dear All,

i am upgrading the ECC server from EHP 3 to EHP 6, starting shadow instance failed after DBCLONE phase completed, after read some blogs i have restarted the shadow and main instance, now both message server are not connecting so dispatcher got stopped. kindly help me to solve the issue.

Thanks in Advance

Regards

Sivakumar.TA