Review this list of desupported features as part of your upgrade planning.
Oracle Administration Assistant for Windows is Desupported
The Oracle Administration Assistant tool for Windows is desupported in Oracle Database 18c.
Oracle Administration Assistant for Windows is desupported in the current database release. Oracle Administration Assistant for Windows was a tool for creating database administrators, operators, users, and roles in Windows. Oracle Administration Assistant also enabled database services, startup and shutdown configurations, and Windows Registry parameter management. There is no replacement.
Oracle Multimedia DICOM Desupported Features
Several Oracle Multimedia DICOM features are desupported in Oracle Database 18c. Replace DICOM with Oracle SecureFiles and third-party DICOM products.
Digital Imaging and Communications in Medicine (DICOM) is a medical imaging technology that supports the connectivity of radiological devices. Oracle’s native DICOM feature is deprecated, and parts of it are desupported in this release. The desupport of Oracle Multimedia DICOM includes the following features:
Oracle Multimedia DICOM protocol
Oracle Multimedia DICOM mid-tier support
Oracle Multimedia Oracle DICOM Component for WebCenter integration (DICOM/UCM)
The following Oracle Multimedia DICOM features continue to be deprecated:
DICOM support in Oracle Multimedia ORDImage object
Oracle Multimedia DICOM objects and packages
There is no replacement for Oracle Multimedia DICOM. Oracle recommends that you replace Oracle Multimedia DICOM by using Oracle SecureFiles with third-party products for DICOM functionality. For example: Use third-party DICOM features to carry out metadata management, DICOM image conversion, and so on.
Oracle Multimedia Java Client Classes Desupported
Oracle Multimedia proxy classes and Oracle Multimedia servlet and JSP classes are desupported.
Oracle Multimedia Java client is desupported in Oracle Database 18c for the following classes:
Oracle Multimedia proxy classes, including DICOM proxy classes
Oracle Multimedia servlet/jsp classes
To develop Java applications that manage multimedia content within Oracle Databases, Oracle recommends that you embed PL/SQL blocks in Java.
Oracle XML DB Desupported Features
Starting withOracle Database 18c, schema subprograms in
DBMS_XDB subprograms, and many other Oracle XML DB schema features are desupported.
In Oracle Database 12c release 1 (12.1), the PL/SQL package
DBMS_XDB_CONFIG was introduced. At the same time, all Oracle XML DB configuration functions, procedures, and constants that were moved from package
DBMS_XDB_CONFIG. were deprecated, and a series of other
DBMS_XDB subprograms, and other schema features were deprecated. These components are now desupported.
Desupported PL/SQL subprograms in package DBMS_XMLSCHEMA
The following PL/SQL subprograms in package DBMS_XMLSCHEMA are desupported:
There are no replacements for these constructs. There is no workaround for this change.
Desupported Oracle XML DB Configuration Functions, Procedures, and Constants
All Oracle XML DB configuration functions, procedures, and constants that were moved from package
DBMS_XDB_CONFIG are desupported. Use
The following list of subprograms are desupported in package DBMS_XDB:
The following constants are desupported in package
Desupported Oracle XQuery Functions
The following Oracle XQuery functions are desupported. Use the corresponding standard XQuery functions instead. Corresponding functions are the functions that have the same names, but that use the namespace prefix
ODP.NET, Managed Driver - Distributed Transaction DLL Desupported
Oracle is desupporting the
Oracle.ManagedDataAccessDTC.dll file in Oracle Database 18c.
Oracle provided a native managed distributed transaction support for Oracle Data Provider for .NET (
ODP.NET), Managed Driver using
Oracle.ManagedDataAccessDTC.dll. In .NET Framework 4.5.2, Microsoft introduced its own native managed distributed transaction implementation, which managed
ODP.NET used. The new .NET Framework made the
Oracle.ManagedDataAccessDTC.dll unnecessary. Moreover, Microsoft has desupported all .NET Framework 4 versions earlier than 4.5.2. In accordance with Microsoft policy, Oracle is desupporting the
The desupport includes removing the
UseManagedDTC .NET configuration file parameter, and
Data Guard Broker DGMGRL ALTER Syntax is Desupported
Starting with Oracle Database 18c, the Oracle Data Guard broker ALTER command in DGMGRL is desupported.
The ALTER command syntax in the Data Guard broker DGMGRL command-line interface was deprecated in Oracle Database 10g Release 1 and replaced with the EDIT CONFIGURATION, EDIT DATABASE, and EDIT INSTANCE syntax.
Desupport of CRSUSER on Microsoft Windows Systems
crsuser utility and the
CRSToken method to change the Windows service user is
desupported in Oracle Database 18c.
Grid Infrastructure releases before Release 12c (12.1), it was supported to use the
crsuser utility with Oracle Real Application Clusters (Oracle
RAC) to modify the database logon properties of the Oracle Database service from
LocalSystem to a user ID.
Oracle introduced the Oracle Home User system privileges role for the DB home in
Oracle Grid Infrastructure 12c Release 1 (12.1). This role makes the need for the
crsuser functionality unnecessary. The
facility was also previously used to create user-defined CRS resources that ran as a
Windows user other than
LocalSystem. However, Oracle Grid
Infrastructure 12c Release 1 (12.1) and later releases provide that same
crsctl add wallet -type OSUSER The
crsuser feature no longer works. It is no longer developed or
For more information about the
crsctl add wallet -type OSUSER command, refer to Oracle Clusterware Administration and Deployment.