DOCUMENT:Q216950 24-FEB-2000 [iis] TITLE :How to Enable ODBC Connection Pooling Performance Counters PRODUCT :Internet Information Server PROD/VER:winnt:2.0,3.0,4.0,5.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server versions 2.0, 3.0, 4.0, 5.0 ------------------------------------------------------------------------------- SUMMARY ======= ODBC Connection Pooling enhances the performance of database connections in Active Server Pages (ASP) applications. By default, the performance counters for Connection Pooling are disabled. This article describes the counters and how to enable them. MORE INFORMATION ================ To enable the performance counters, follow these steps: 1. Open Control Panel. 2. Double-click the ODBC icon. 3. Click the Connection Pooling tab. 4. In the PerfMon section, select Enable. 5. Click OK. In Performance Monitor, the following counters will now be listed under the ODBC Connection Pooling object: - Connections Currently Active: The current number of connections being used by applications. - Connections Currently Free: The current number of connections available for connection requests. - Connections Sec/Hard: The number of connections made to data sources per second. - Connections Sec/Soft: The number of connections from the pool per second. - Disconnections Sec/Hard: The number of disconnects made to data sources per second. - Disconnections Sec/Soft: The number of disconnects from the pool per second. For more information on Active Server Pages and ODBC connection pooling, see the following articles in the Microsoft Knowledge Base: ARTICLE-ID: Q169470 TITLE: INF: Frequently Asked Questions About ODBC Connection Pooling ARTICLE-ID: Q189410 TITLE: HOWTO: Enable or Disable Connection Pooling in IIS 4.0 ARTICLE-ID: Q164221 TITLE: INF: How to Enable Connection Pooling in an ODBC Application ARTICLE-ID: Q166083 TITLE: INF: How to Enable Connection Pooling in an OLE DB Application ARTICLE-ID: Q176056 TITLE: INFO: ADO/ASP Scalability FAQ Additional query words: ====================================================================== Keywords : Technology : kbiisSearch kbiis500 kbiis400 kbiis300 kbiis200 Version : winnt:2.0,3.0,4.0,5.0 Issue type : kbhowto ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.