This content has been marked as final. Show 3 replies
The solution for ORA-12640 is to change the parameter in SQLNET.ORA
from SQLNET.AUTHENTICATION_SERVICES= (NTS) to SQLNET.AUTHENTICATION_SERVICES= (NONE)
Give it a try to see if it works.
As far as the limitation on number of extract/replicat groups on one GG instance is concerned, it is defaulted to 300 and is configurable upto 5000 depending on the system resources that are available