Bandwidth test for windows poor upload

RouterOS Beginner Basics
1

Hi

When doing send Btest on windows to Mikrotik via LAN 100mbps I get only 30Mbps but when doing from Mikrotik to Mikrotik i get 90Mbps, is it a bug or something else?

2

Check your Quality of Service settings if you’re using Windows XP.

Look here: http://1sttrax.net/kb/registry/xpqos.htm