Oracle Error ORA-12163: TNS:connect descriptor is too long

Oracle Error Message

ORA-12163: TNS:connect descriptor is too long

Reason for the Error

The connect descriptor corresponding to the net service name specified as the connect identifier is too long. The maximum length for a connect descriptor is 512 bytes and this limit has been exceeded.

Solution

Check the 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.

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