OGG-00664 OCI Error during OCIServerAttach (status = 12504-Error wh ile trying to retrieve text for

Hi,
I have a Golden Gate Setup create on my VMware. And it details are below

Database : Oracle 11.2.0.3

Source :

Manager
------------
Port 15001
purgeoldextracts ./dirdat/*, Usecheckpoints

Extract
----------
Extract esalesaa
ExtTrail ./dirdat/aa
UserID oggadm1@rac1, password ogg1#
Table ogguser1.tcust*;

Target :

Manager
-----------
Port 15001
PurgeoldExtracts ./dirdat/*, UseCheckpoints

Replicat
----------
Replicat rsalesab
UserID oggadm2@rac2, password ogg1#
-- AssumeTargetDefs
SourceDefs dirdef/dsalesab.def
DiscardFile dirrpt/rsalesab.dsc, Append
Map ogguser1.tcustmer, Target ogguser2.tcustmer;
Map ogguser1.*,   Target ogguser2.*;


When i start my Manager , The process shows stopped and i am getting an error "ERROR   OGG-00664  OCI Error during OCIServerAttach (status = 12504-Error wh