Eliminating Too many values in dashboard prompts(Drop down)

f we create any dashboard prompts (drop-down) we may get Too many Values because by default obiee will support 256 values.

In order to over come that we have to add the following entry in instanceconfig.xml(OracleBIData\web\config\instanceconfig.xml)

http://docs.google.com/View?id=dgh6q53h_1247t9fpgjx
After adding this restart the presentation service