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System Requirements

Rational software

Below is the summary of software and hardware required for IBM Rational Host On-Demand. For more details, see Supported Platform Details.

Host On-Demand Server requirements

Operating System Software Hardware
AIX, HP-UX, IBM i, Linux, Solaris, Microsoft Windows®, z/OS


Web servers:

• Lotus Domino
• iPlanet Web Server Enterprise Edition
• IBM HTTP Server
• Apache HTTP Server
• Microsoft IIS


Web application servers:

• WebSphere Application Server
• iPlanet Application Server
• Lotus Domino


LDAP servers:

• IBM Directory Server
• BM LDAP Server running on z/OS
A system with a DVD-ROM drive, if Host On-Demand is to be installed locally on operating systems other than z/OS

Memory and fixed storage capacity

• For Windows platforms: 600 MB for one user interface language, plus an additional 8 MB for each additional language

• For AIX: 600 MB (includes English as a user interface language and the additional security files), plus an additional 8 MB per additional user interface language

• For Sun Solaris, Linux, HP-UNIXware: 600 MB (includes English as a user interface language), plus an additional 8 MB per additional user interface language

• All others: 600 MB (all languages installed)

• Minimum RAM: 256 MB; Recommended: 512 MB (May differ depending on JRE and its options/parameters used)

For more details on Host On-Demand Server requirements, see Supported Platform Details.


Host On-Demand Client requirements

Operating System Software Hardware
AIX, Citrix, HP-UX, Linux, Solaris, Mac OS X, Microsoft Windows® Browsers:
• Microsoft Internet Explorer
• Safari
• Firefox

For more details on Host On-Demand Client requirements, see Supported Platform Details.


Host On-Demand miscellaneous supported software

Operating System Software Hardware




For Web Express Logon:

• Tivoli Access Manager for e-business
• Netegrity SiteMinder
• DB2 Universal Database


Other supported software:

• WebSphere Portal for Multiplatforms
• Acrobat Reader
• CICS Transaction Gateway
• Lotus Expeditor
• Eclipse
• Lotus Notes

For more details on Host On-Demand miscellaneous supported software requirements, see Supported Platform Details.