Before you install Sybase IQ client components

Sybase IQ 12.7 ETL Development is certified to run on:

Sybase IQ 12.7 Network Client is certified to run on:

**Table 3-4: Windows client/server downward compatibility**
Product and version to install	Product and version already installed	Compatibility
12.7 Server	12.5 Server	Standalone IQ Agent only
	12.5 Network Client	Prohibited
	12.6 Network Client	Prohibited
12.7 Network Client	12.5 Server	Prohibited
	12.5 Network Client	Prohibited
	12.6 Server	Prohibited

See Table 3-5 for disk space required to install and run Sybase IQ client components for Windows.

**Table 3-5: Client configuration recommendations for Windows**
System requirement	Recommendation
Disk space to install and run Sybase IQ 12.7 Network Client	83MB
Disk space to install Sybase IQ ETL Development	163MB
Disk space to install Sybase Central Java Edition 4.3	30MB
Disk space to install jConnect 5.5	17MB
Disk space to install jConnect 6.0	6MB