Oracle XE 213 version error ORA-12518: TNS:listener could not hand off client connection
when install local Oracle XE 213 sometime gets the below errors
Oracle XE 213 version error ORA-12518: TNS:listener could not hand off client connection
when install local Oracle XE 213 sometime gets the below errors
Status : Failure -Test failed: ORA-12518: TNS:listener could not hand off client connection (CONNECTION_ID=rzg9qX9ZQ5KtVyGMZx5jqQ==) https://docs.oracle.com/error-help/db/ora-12518/
Error ORA-12514: The listener does not currently know of service requested in connect descriptor
TNS-12518: TNS:listener could not hand off client connection TNS-12560: TNS:protocol adapter error TNS-00534: Failed to grant connection ownership to child 64-bit Windows Error: 10022: Unknown error
for this error:
- fix the IP address or localhost correctly in <ORACLE_XE_LOCATION>\OraDB21Home1\network\admin\listener.ora<ORACLE_XE_LOCATION>\OraDB21Home1\network\admin\tnsnames.ora
- update hostname/ip address/localhost
listener.ora
LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ) )
tnsnames.ora
XE = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = XE) ) )
- goto services list — windows -> services -> open

- open OracleOraDB21Home1TNSListener ->goto Log on Tab
select “Local System account” and check allow service to interact with desktop
-
restart listener and oracle service xe
-
then you can connect SQL developer and connection will be successful.

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- post_id
- 50db3d12c0ce
- slug
- oracle-xe-213-version-error-ora-12518-tns-listener-could-not-hand-off-client-connection-50db3d12c0ce
- url
- https://medium.com/@virendra.rpatil/oracle-xe-213-version-error-ora-12518-tns-listener-could-not-hand-off-client-connection-50db3d12c0ce
- canonical_url
- https://medium.com/@virendra.rpatil/oracle-xe-213-version-error-ora-12518-tns-listener-could-not-hand-off-client-connection-50db3d12c0ce
- author_url
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- status
- ok
- fetched_at
- 2026-06-16 19:09:56