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OS: Vista Ultimate x86, SP1 installed over RTM.
Before installing SP1 I could modify the autotuninglevel. After installing SP1 I am no longer able to modify the autotuninglevel. Is seems the group policy is preventing the change. But using gpedit.msc or rsop.msc I can find no policy that prevents modifying this value. Anybody else have this problem? netsh interface tcp set global autotuninglevel=normal Ok. netsh interface tcp show global Querying active state... TCP Global Parameters ---------------------------------------------- Receive-Side Scaling State : disabled Chimney Offload State : disabled Receive Window Auto-Tuning Level : disabled Add-On Congestion Control Provider : none ECN Capability : disabled RFC 1323 Timestamps : disabled ** The above autotuninglevel setting is the result of Group Policy overriding any local configuration. |