Outlook Web Access time-out settings in Exchange server

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Article ID: 2573296 - View products that this article applies to.

This article discusses authentication time-out values for Microsoft Outlook Web Access (OWA).
Time-out values for an OWA session
Users are automatically logged off OWA after a period of inactivity. The time-out period of an OWA session depends on whether a user selects the This is a public or shared computer option or the This is a private computer option when the user logs on to OWA.

By default, the time-out values are set in Microsoft Exchange as follows:

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OptionTime-out value
This is a public or shared computer The OWA session ends, and the user is automatically logged off after 15 minutes of inactivity.
This is a private computerThe OWA session ends, and the user is automatically logged off after 8 hours of inactivity.
However, be aware that there are circumstances that override these default values. If a company uses two-factor authentication, an authentication server is located in front of the OWA server. Although a user's session may time out against a particular authentication server, the user's session in OWA remains active until the time-out setting for the logon option that the user selected is reached.
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Article ID: 2573296 - Last Review: October 3, 2011 - Revision: 4.0
APPLIES TO
  • Microsoft Business Productivity Online Dedicated
  • Microsoft Business Productivity Online Suite Federal
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