LKBEN10663: HP Server DL380 / DL360 has slow network speed under windows server 2003
LKB | Created: 02/04/2020 | Version: 0 | Language: EN | Rating: 0 | Outdated: False | Marked for deletion: False
Author: Wim Peeters - Keskon GmbH & Co. KG
Symptom
Your server does not deliver the performance you expect
Cause
Microsoft introduced windows server scalable networking pack and which can cause speed problems in some circumstances
Solution
You can import the following registry key to disable the new features which should speed up the winodws network stack.
Tcp chimney does not work with
- windows firewall
- ipsec
- other firewalls
- some NDIS drivers
- IPNAT (network address translation)
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"EnableTCPA"=dword:00000000
"EnableRSS"=dword:00000000
"EnableTCPChimney"=dword:00000000
You can also use the netsh command to enable or disable the chimey parameter:
Netsh int ip set chimney ENABLED
or
Netsh int ip set chimney DISABLED
Please look at the microsoft support site and search on 912222 for more information.
About the Author
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience, including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform.