| Siebel Analytics Applications Installation and Administration Guide > Preinstallation Considerations for Siebel Data Warehouse >  Operating System, Driver, and Connectivity Requirements for Siebel Data Warehouse
 Table 6 provides the operating system, driver, and connectivity software requirements for the Siebel Data Warehouse components. 
Table 6.	OS, Driver and Connectivity Requirements for Siebel Data Warehouse
    |  |  |  |  |  
    | 1 ETL Servers |  | Informatica Server 6.2.1 (6.2.2 for Siebel Data Warehouse version 7.7.1.4 and higher)
Informatica Repository Server 6.2.1 (6.2.2 for Siebel Data Warehouse version 7.7.1.4 and higher)
DAC Server
 | Java SDK 1.4.2
JDBC drivers
Javamail
 |  
    | 2 ETL Clients |  | Informatica client tools
DAC client
 | Java SDK 1.4.2
JDBC drivers
ODBC drivers
 |  
    | 3 (A) Siebel DW | Solaris
AIX
HP
Windows
OS/390
 | Database software with Siebel Data Warehouse | Not applicable |  
    | 3 (B) ETL Repositories |  | Database software with ETL repositories | Not applicable |  
 |