ORA-39710: the database mode conflicts with the connection type


Sometimes You can get ” ORA-39710: the database mode conflicts with the connection type ” error.


Details of error are as follows.

ORA-39710: the database mode conflicts with the connection type

DBUA upgrade to 12.2 fails with  below error which can be seen in  catupgrd0.log file

get_instance_status_and_name: unexpected error in exec_DB_script
output produced in exec_DB_script [
SQL*Plus: Release Production on Thu Nov 9 13:02:32 2017
Copyright (c) 1982, 2016, Oracle. All rights reserved.
ORA-39710: The database mode conflicts with the connection type.
SQL> SQL> SQL> 2 SP2-0640: Not connected
SQL> ] end of output produced in exec_DB_script
catconInit: unexpected error in get_instance_status_and_name
End of catcon Errors




You do not use operating system authentication to connect to the database.

When using DBUA,Providing SYSTEM username and password in “Select database” screen  .


To solve this error, When running DBUA:

Leave “User Name” and “Password” fields blank if you have OS authentication to SYS user.


Provide the “SYS” username and “<sys_password>” (in case if you are calling DBUA screen for non-oracle user.


or For manual upgrade ,invoke the command and enter the password when asked for:

dbupgrade -u SYS


Do you want to learn more details about Delete operations and Oracle SQL Tutorial, then read the following post.

DELETE Statement in Oracle SQL | Oracle SQL Tutorials -11


About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

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