Microsoft KB Archive/291563

= FIX: Analysis Server HTTPS Connections Slower Than HTTP and TCP/IP Connections =

Article ID: 291563

Article Last Modified on 11/21/2006

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APPLIES TO


 * Microsoft SQL Server 2000 Analysis Services

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This article was previously published under Q291563



BUG #: 11580,11471 (plato7x)



SYMPTOMS
When executing queries over an HTTPS (SSL) connection to an Analysis Services 2000 Server, the query performance may be considerably slower than when the same query is executed over an HTTP or native TCP/IP connection to the server.



CAUSE
The module that handles HTTPS connections to the Analysis Server calls the WinInet InternetReadFile function for each individual protocol stream object/property, whereas TCP and HTTP connections use buffering when reading data.



RESOLUTION
To resolve this problem, obtain the latest service pack for the Microsoft SQL Server 2000 (the Analysis Services Components - Sql2kasp1.exe). For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 INF: How to Obtain the Latest SQL Server 2000 Service Pack

Hotfix
NOTE: The following hotfix was created prior to Microsoft SQL Server 2000 Service Pack 1.

The English version of this fix should have the following file attributes or later:   Date      Time   Version    Size         File name

1/4/2001 6:47p  8.0.2.38     208,959   Msmdcb80.dll 1/4/2001 6:47p  8.0.2.38   1,359,933   Msmdgd80.dll 1/4/2001 6:47p  8.0.2.38   1,982,541   Msolap80.dll 1/4/2001 6:47p  8.0.2.38     213,067   Msolap80.rll NOTE: Due to file dependencies, the most recent hotfix or feature that contains the above files may also contain additional files.



STATUS
Microsoft has confirmed that this is a problem in SQL Server 2000 Analysis Services version 8.0. This problem was first corrected in the Analysis Services Components of Microsoft SQL Server 2000 Service Pack 1.

Additional query words: QFE hotfix

Keywords: kbbug kbfix kbqfe kbsqlserv2000sp1fix KB291563

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