Microsoft KB Archive/323015

= Many Secure Socket Layer Connections May Slow Down Performance =

Article ID: 323015

Article Last Modified on 2/22/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q323015



SYMPTOMS
On a server that is servicing many Secure Socket Layer (SSL) connections, performance may be slowed down significantly.



CAUSE
If there are many SSL connections, a significant percentage of CPU time is spent locating the SSL contexts.



Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

Hotfix Information
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:   Date         Time   Version        Size       File name --  16-Aug-2002  20:00  5.0.2195.5781     123,664  Adsldp.dll 16-Aug-2002 20:00  5.0.2195.5781     131,344  Adsldpc.dll 16-Aug-2002 20:00  5.0.2195.5781      62,736  Adsmsext.dll 16-Aug-2002 20:00  5.0.2195.5992     358,160  Advapi32.dll 16-Aug-2002 20:00  5.0.2195.5265      42,256  Basesrv.dll 16-Aug-2002 20:00  5.0.2195.5855      49,424  Browser.dll 16-Aug-2002 20:00  5.0.2195.6012     135,952  Dnsapi.dll 16-Aug-2002 20:00  5.0.2195.6012      96,016  Dnsrslvr.dll 16-Aug-2002 20:00  5.0.2195.5722      45,328  Eventlog.dll 16-Aug-2002 20:00  5.0.2195.5907     222,992  Gdi32.dll 16-Aug-2002 20:00  5.0.2195.5859     145,680  Kdcsvc.dll 04-Jun-2002 18:31  5.0.2195.5859     199,952  Kerberos.dll 16-Aug-2002 20:00  5.0.2195.6011     708,880  Kernel32.dll 15-Jul-2002 12:52  5.0.2195.5940      71,024  Ksecdd.sys 22-Jul-2002 20:54  5.0.2195.5960     507,152  Lsasrv.dll 22-Jul-2002 20:54  5.0.2195.5960      33,552  Lsass.exe 16-Aug-2002 20:00  5.0.2195.4733     332,560  Msgina.dll 12-Aug-2002 21:54  5.0.2195.6006     108,816  Msv1_0.dll 16-Aug-2002 20:00  5.0.2195.5979     307,472  Netapi32.dll 16-Aug-2002 20:00  5.0.2195.5966     360,720  Netlogon.dll 16-Aug-2002 20:00  5.0.2195.5979     916,752  Ntdsa.dll 16-Aug-2002 20:00  5.0.2195.6015     387,856  Samsrv.dll 16-Aug-2002 20:00  5.0.2195.5951     129,296  Scecli.dll 16-Aug-2002 20:00  5.0.2195.5951     302,864  Scesrv.dll 18-Jul-2002 21:58  5.1.2195.0        146,192  Schannel.dll 13-Jun-2001 02:05  5.0.2195.3727       3,856  Svcpack1.dll 16-Aug-2002 20:00  5.0.2195.6000     379,664  User32.dll 16-Aug-2002 20:00  5.0.2195.5968     369,936  Userenv.dll 16-Aug-2002 20:00  5.0.2195.5859      48,912  W32time.dll 04-Jun-2002 18:32  5.0.2195.5859      57,104  W32tm.exe 15-Aug-2002 18:10  5.0.2195.6017   1,642,416  Win32k.sys 15-Aug-2002 12:30  5.0.2195.6013     179,472  Winlogon.exe 16-Aug-2002 20:00  5.0.2195.5935     243,472  Winsrv.dll 16-Aug-2002 20:00  5.0.2195.5944     125,712  Wldap32.dll 22-Jul-2002 20:54  5.0.2195.5960     507,664  Lsasrv.dll 18-Jul-2002 21:58  5.1.2195.0        146,192  Schannel.dll 16-Aug-2002 20:00  5.0.2195.6011     708,880  Kernel32.dll 16-Aug-2002 20:00  5.0.2195.6017   1,642,416  Win32k.sys 16-Aug-2002 20:00  5.0.2195.5935     243,472  Winsrv.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.



MORE INFORMATION
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

Keywords: kbhotfixserver kbqfe kbsecurity kbwin2ksp4fix kbbug kbfix kbwin2000presp4fix KB323015

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