Windows

Slow gigabit ethernet

The Windows Audio service depends on the Multimedia Class Scheduler service, which throttles back potential true gigabit performance while any audio is being played to prevent audio dropouts.

• Fix for slow Vista Network Transfer while playing Music
• Vista MMCSS gigabit throttling a victim of hard-coding, jumbo frames to the rescue!

Unable to access shares on a Vista/7 server from XP

Client error message "The specified server cannot perform the requested operation"

Wireshark analysis shows "Out of memory" error returned by server, which is actually the case.

Resolution: on the server, restart the "Server" service.

• TCP Checksum failed error between XP & Vista

Error while editing Local Security Policy on XP

When opening "User Rights Management" or "Security Options", one is presented with:

The group policy security settings that apply to this machine could not be determined., and perhaps also The parameter is incorrect.

The Windows Database in %windir%\security\database\secedit.sdb was likely not cleanly shutdown. Repair it with esentutl.

• Cannot open Local or Group Security Policy Console

Atheros L1 Gigabit NIC

Even with latest driver (2.4.7.29), Task Offload (hardware TCP checksum calculation) produces incorrect results as confirmed by Wireshark with TCP checksum checking enabled.

• Disable Task Offload in driver's Advanced property page.