For Windows and Linux on Intel:

* Machine: 1.5 GHz Intel Pentium III processor, or greater      
* Minimum memory and space requirements:         
- Memory: 2 GB RAM             
- Disk:  10 GB free disk space - required  for  installation  of  IBM TotalStorage  Productivity  Center for Replication 4, or later

application code and data with embedded WebSphere Application Server V6.1 (Bobcat)
* Additional hardware requirements          
- Advanced copy features on ESS Model 800, DS8000, DS6000    
- Advanced copy features on SVC            
- SVC CIMOM server              
* Operating systems - one of the following:        
- Windows 2003 Server Edition           
- Windows 2003 Enterprise Edition          
- Red Hat Enterprise Linux 5 AS          
- SUSE Linux Enterprise Server 10           
* For IBM TotalStorage Productivity Center for Replication Three Site BC
- IBM TotalStorage Productivity Center for Replication  Two  Site  BC V3.4                 


For AIX:

* Machine: System p, IBM POWER4 or IBM POWER5 processor, 1 GHz   
* Minimum memory and space requirements:         
- Memory: 2 GB RAM             
- Disk: 10  GB  free disk space - required for installation of IBM  TotalStorage Productivity Center for Replication  application  code and data with the WebSphere Express Application Server code   
* Additional hardware requirements          
- Advanced copy features on ESS Model 800, DS8000, DS6000    
- Advanced copy features on SVC            
- SVC CIMOM server              
* Operating system              
- AIX V5.3               
- New AIX 5L technologies             
* For IBM TotalStorage Productivity Center for Replication Three Site BC
- IBM  TotalStorage  Productivity  Center for Replication Two Site BC V3.4                

Optional supported RDBMSs for the Enterprise Repository      

* For  Windows  and  Linux: minimum - DB2 UDB V8.2 fix pack 14, or later; recommended - DB2 UDB V9.1     
* For AIX: DB2 UDB V8.2 fix pack 1