Installation guide

18 Feature Release 1 and Service Pack 3 Installation Guide
Thinwire 2 Configuration
Service Pack 3 includes a new version of the Thinwire protocol for displaying
ICA session graphics. Service Pack 3 includes a command-line utility for tuning
global Thinwire 2 settings.
Syntax
twconfig /query
twconfig [/discard:on|off] [supe rcache:on|off]
[/maxmem:
nnn
] [/degrade:res|color] [/notify:on|off]
twconfig /reset
twconfig /?
Options
/query
Query current settings.
/discard:on|off
Discard redundant graphics operations.
/supercache:on|off
Use alternate bitmap caching method.
/maxmem:nnn
Maximum memory (in bytes) to use for each session’s graphics (between
153600 and 7680000).
/degrade:res|color
When the maxmem limit is reached, degrade session size first or degrade
color depth first.
/notify:on|off
If on, users are alerted when maxmem limit is reached.
/reset
Reset all values to defaults.
/?
Displays the syntax for the utility and information about the utility’s options.
Remarks
Setting the discard option to on is most effective on low-bandwidth connections.
The MetaFrame server recognizes when multiple updates for the same area of the
screen are queued to be sent to the ICA Client, and then sends only the final
update. Setting this option to off uses more bandwidth but increases perceived
performance.