In this post, you’ll learn more about the Oracle ErrorORA-12508: TNS:listener could not resolve the COMMAND given with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-12508: TNS:listener could not resolve the COMMAND given
Reason for the Error ORA-12508: TNS:listener could not resolve the COMMAND given
d by incompatible Oracle Net or Net8 versions. Do not include in error manual.
How to fix the Error ORA-12508: TNS:listener could not resolve the COMMAND given ?
You can fix this error in Oracle by following the below steps
This is not seen in normal use of Oracle Net.