Nature of the client and application – IBM Data Server DB2 User Manual
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DB2 Deployment Guide
Table 1-3 outlines supported combinations of client and server versions.
Table 1-3 Supported client /server matrix
Note that when a client is located on the same system as a DB2 server and they 
are different versions, local client-to-server connections using Interprocess 
Communication (IPC) are not supported.
For more information regarding supported clients and servers for V9.5, refer to:
Information regarding supported clients and servers for V9.1 can be found in:
Information regarding supported clients and servers for V8 can be found in:
Nature of the client and application
It is equally important to understand the role of clients that connect to the DB2 
Servers. If a client consists of solely JDBC or ODBC applications, then full 
deployment of a DB2 product might not be necessary. To determine the required 
features of the product, also consider whether the client has to perform database 
administration or DB2 application development.
DB2 Clients
Version 8 32-bit 
Server UNIX, 
Windows, Linux
Version 8 32-bit 
Server UNIX, 
Windows, Linux
Version 9 Server 
UNIX, Windows, Linux
Version 9.5 Server 
UNIX, Windows, Linux
Version 9.5
Yes
Yes
Yes
Yes
Version 9.1
Yes
Yes
Yes
Yes
Version 8 (64-bit)
Yes
Yes
Yes
Yes
Version 8 (32-bit)
Yes
Yes
Yes
Yes
DB2 for z/OS and OS/
390® Version 7 and 
higher
Yes
Yes
Yes
Yes
DB2 for i5/OS Version 5 
and higher
Yes
Yes
Yes
Yes
DB2 VM and VSE 
Version 7
Yes
Yes
Yes
Yes
