This note gives a summary of the support for interoperability between Oracle client and server versions. This includes support for connections over database links between Oracle versions.
Note that this is a general guide for interoperability only - certain products or utilities may impose additional restrictions on supported combinations specific to the product / utility. eg: Precompilers, Export / Import utilities etc..
For a summary of the support status of each Oracle release see Note:161818.1
Oracle's general policy is to test and support each new Oracle release for compatibility with older releases thus:
- Test the NEW client to each OLDER server release where the OLDER release is still covered by Premier Support (formerly Primary Error Correction support) at the time that the NEW version is released.
- Test OLDER clients to the NEW server release where the OLDER release is still covered by Premier Support (formerly Primary Error Correction support) OR is in the first two years of Extended Support (formerly Extended Maintenance support).
- Tests between the NEW version and other OLDER releases may be added where Oracle deems it sensible to support interoperability between those releases.
The matrix below summarizes client and server combinations that are supported for the most commonly used product versions. A full matrix appears at the end of this document.
New interoperability problems will only be investigated if BOTH releases involved are covered by a valid support contract at the time that the issue is reported .eg:A 11.1.0 client to an 11.2.0 server issue requires the customer to have a valid Extended Support contract for the 11.1.0 client in order for Oracle to investigate it.
Server Version 12.2.0#10 12.1.0 11.2.0 11.1.0 10.2.0 10.1.0 9.2.0 12.2.0 Yes Yes Yes No No No#3 No#3 12.1.0 Yes Yes Yes Was MDS #7 No#3 No#3 11.2.0 Yes#9 Yes Yes Was MDS #7 No Was #5 11.1.0 No Was Was Was Was #7 Was #6 Was #5 10.2.0 No MDS #7 MDS #7 Was #7 MDS Was Was #5 10.1.0#4 No No Was #6 Was #6 Was Was Was 9.2.0 No No#8 Was #5 Was #5 Was #5 Was Was
Yes Supported ES Supported but fixes only possible for customers with Extended Support . LES or MDS Supported but fixes only possible for customer with a valid Limited Extended Support or Market-Driven Support contract respectively. Was Was a supported combination but one of the releases is no longer covered by any of Premier Support, Primary Error Correct support, Extended Support, nor Extended Maintenance Support. Fixes are no longer possible. No Has never been Supported
- #1 - See Note:207319.1
- #2 - An ORA-3134 error is incorrectly reported if a 10g client tries to connect to an 188.8.131.52 or lower server. See Note:3437884.8 .
- #3 - An ORA-3134 error is correctly reported when attempting to connect to this version.
- #4 - There are problems connecting from a 10g client to 8i/9i where one is EBCDIC based. See Note:3564573.8
- #5 - For connections between 10.2 (or higher) and 9.2 the 9.2 end MUST be at 184.108.40.206 or higher. Connections between 10.2 (or higher) and 220.127.116.11, 18.104.22.168 or 22.214.171.124 have never been supported.
- #6 - For connections between 11.1 (or higher) database server and 10.1 / 10.2 database server across a database link the 10g end MUST be at 10.1.0.5 / 10.2.0.2 (or higher) respectively in order to use PLSQL between those versions. (This does not apply to normal 11g clients to 10g database server only server to server and a few very specific client products, such as Oracle Forms). See Note:4511371.8 for more details.
- #7 - For database link connections between 11.1 (or higher) and 10.2 the 10g end MUST be at 10.2.0.2 (or higher) in order to use PLSQL between those versions. See Note:4511371.8 for more details.
- #8 - Attempting to connect from 9.2 to 12.1 will fail with an "ORA-28040: No matching authentication protocol" error.
- #9 - 126.96.36.199 or 188.8.131.52 only. We do not support any 11.2 client interoperability with Oracle Database Exadata Express Cloud Service
- #10 - Includes Oracle Database Exadata Express Cloud Service - see Note:2183770.1 for additional detailsGeneral Notes:
- For database links between different Oracle versions connections must be supported in BOTH directions in the matrix above.eg: As 11.2 -> 10.1 is not supported then database links between these version are not supported in either direction.
- Unsupported combinations may appear to work but can encounter errors for particular operations. The fact that they appear to work should not be relied upon -issues on unsupported combinations will not be investigated.
- Since new database servers are compatible with a limited set of older OCI clients, it may not be necessary to upgrade the client software when upgrading the database. However, some new features may not work without upgrading the client software. For example, an Oracle 10.2 client is able to connect to an 11.2 database, but is not able to take advantage of newer features such as Client Result Cache (introduced in 11.1).
- Oracle Applications , or other Oracle products, may have supported configurations not listed in the matrix above.
- The matrix above also applies between different platforms and between 32/64 bit releases of Oracle client / server except where any Oracle platform desupport notice indicates otherwise .
- Unix BEQUEATH (BEQ) connections are NOT supported between different releases. eg: Client 10.2 is not supported to make an Oracle Net connection to a 11.2 server using the BEQ protocol adapter regardless of the interoperability support listed above. See Note:364252.1 for more details.
See the "Terminology" section of Note:161818.1 for a description of Premier Support, Extended Support, Primary Error Correction Support and Extended Maintenence Support
This matrix includes interoperability information for older versions and is included here for completeness.
Server Version Client Version 12.2.0#10 12.1.0 11.2.0 11.1.0 10.2.0 10.1.0 9.2.0 9.0.1 8.1.7 8.1.6 8.1.5 8.0.6 8.0.5 7.3.4 12.2.0 Yes Yes Yes No No No#3 No#3 No#3 No#3 No#3 No#3 No#3 No#3 No#3 12.1.0 Yes Yes Yes Was MDS#7 No#3 No#3 No#3 No#3 No#3 No#3 No#3 No#3 No#3 11.2.0 Yes#9 Yes Yes Was MDS#7 No Was#5 No#3 No#3 No#3 No#3 No#3 No#3 No#3 11.1.0 No Was Was Was Was#7 Was#6 Was#5 No#3 No#3 No#3 No#3 No#3 No#3 No#3 10.2.0 No MDS#7 MDS#7 Was#7 MDS Was Was#5 No Was No#3 No#3 No#3 No#3 No#3 10.1.0#4 No No Was#6 Was#6 Was Was Was Was Was #2 No#3 No#3 No#3 No#3 No#3 9.2.0 No No#8 Was#5 Was#5 Was#5 Was Was Was Was No No Was No No#1 9.0.1 No No No No No Was Was Was Was Was No Was No Was 8.1.7 No No No No Was Was Was Was Was Was Was Was Was Was 8.1.6 No No No No No No No Was Was Was Was Was Was Was 8.1.5 No No No No No No No No Was Was Was Was Was Was 8.0.6 No No No No No No Was Was Was Was Was Was Was Was 8.0.5 No No No No No No No No Was Was Was Was Was Was 7.3.4 No No No No No No Was Was Was Was Was Was Was Was
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