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Problem

Depending on the speed of your web server hardware, your database server, and the number of users and groups you want to synchronize with WorkflowGen, Directory Synchronization can take from a few minutes to several hours.

By default, the IIS .Net "State Management" is set up to have a 20 minute session timeout.  This means any web pages that run without completion for over 20 minutes will be terminated - including synchronizations that may require more than 20 minutes.

Solution

You can increase the session timeout at the IIS level for WorkflowGen by doing the following:

1. Open IIS
2. Expand the WorkflowGen web site
3. Right-click on the "wfgen" application and select "Properties"
4. Select the "ASP.NET" tab and click on "Edit Configuration"
5. Select the "State Management" tab and increase the "Session timeout (minutes)" to a value greater than the amount of time required to synchronize.
6. Select "OK" until you return to the main IIS page.