Please help me fix standby server OPmanager 11.4

Please help me fix standby server OPmanager 11.4

hi all 

i deploy failover cluster for opmanager on windows server 2008r2 with MSSQL. i have installed primary server , then i install standby server . I can telnet from standby server to primary server . But i receive notification " primary server is not running in the given host/port . kindly check the primary detail ". 
please help me fix error. 
                New to ADManager Plus?

                  New to ADSelfService Plus?