ORA-28582: a direct connection to this agent is not allowed Cause: A user or a tooltried to establish a direct connection to either an external
procedure agent or a Heterogeneous Services agent, for example:"SVRMGR>
CONNECT SCOTT/TIGER@NETWORK_ALIAS". This type of connection is not
allowed. Action: When executing theCONNECT statement, make sure your database link
or network alias is not pointing to a Heterogeneous Option agent or an external
procedure agent.