ORA-12163: TNS:connect descriptor is too long

admin

ORA-12163:TNS:connect descriptor is too long
Cause: The connect descriptor corresponding to the netservice name specified as
the connect identifier is too long. The maximum length for a connect descriptoris
512 bytes and this limit has been exceeded.
Action: Checkthe net service name's connect descriptor in the local naming file
(TNSNAMES.ORA) or in the directory server (Oracle Internet Directory). Use a
smaller connect descriptor. If this is not possible, contact Worldwide Customer
Support.