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Many Secure Socket Layer Connections May Slow Down Performance

Article ID: 323015 - View products that this article applies to.

Hotfix Download Available

This article was previously published under Q323015

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SYMPTOMS

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

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CAUSE

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

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RESOLUTION

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

(http://support.microsoft.com/kb/260910/EN-US/ )

How to Obtain the Latest Windows 2000 Service Pack

Hotfix Information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

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

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

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. 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

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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.

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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

(http://support.microsoft.com/kb/265173/EN-US/ )

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

(http://support.microsoft.com/kb/296861/EN-US/ )

Use QChain.exe to Install Multiple Hotfixes with One Reboot

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