Let us see.
I have a base in a server NT 4, (database A) and a base in one lap-top (database b) both identical ones,
and with the same schema and tables.
The idea was that I while I was in the street working with lap-top the information they were recorded in the base of lap-top (Database B) , and when it came back to the office pressed a button (with som dbma_repcat.??????? ) and this syncronise the bases.
Already I tested the responses synconas and assyncronas and had functioned perfectly, the problem is when connect the lap-top of the corporative net, and then start to receive errors ORA-12571 when I try to record any data in base b (lap-top).

How I correct this problem?