In this post, you’ll learn more about the Oracle ErrorORA-31399: Cannot contact LDAP server string at port number with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-31399: Cannot contact LDAP server string at port number
Reason for the Error ORA-31399: Cannot contact LDAP server string at port number
The LDAP server specified could not be contacted. This can happen if the server is down or inaccessible.
How to fix the Error ORA-31399: Cannot contact LDAP server string at port number ?
You can fix this error in Oracle by following the below steps
Contact the administrator of the LDAP server