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Does an IIS application pool recycle affect the SiteMinder Web Agent?

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Article ID: 255808

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Updated On:

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SITEMINDER

Issue/Introduction

For maintenance and performance, some sites have regularly scheduled application pool restarts. If the site is active, users may experience errors and errors will appear in the SiteMinder logs.

Cause

When the application pool is restarted, the LLAWP process will also be shutdown. But, when the application pool is restarted, the LLAWP process will not automatically startup until it receives a request. Until the LLAWP process starts, any requests will fail and errors will be reported.

Resolution


This is just how the integration works. You can minimize the user interruption by
- staggering the restarts
- using a load balancer with a health check to redirect the traffic
- schedule the restarts for periods when there is minimal traffic