Set connection time-out limits for POP3
Applies to: Exchange Server 2013
You can use the EAC or the Shell to configure the connection time-out limits for idle authenticated and unauthenticated POP3 connections.
For additional information related to POP3, see POP3 and IMAP4 in Exchange Server 2013.
What do you need to know before you begin?
Estimated time to complete: 5 minutes.
You need to be assigned permissions before you can perform this procedure or procedures. To see what permissions you need, see the "POP3 settings" entry in the Clients and mobile devices permissions topic.
For information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard shortcuts in the Exchange admin center.
Tip
Having problems? Ask for help in the Exchange forums. Visit the forums at Exchange Server.
Use the EAC to set connection time-out limits for POP3
In the EAC, navigate to Servers > Servers.
In the list of servers, select the Client Access server, and then click Edit .
On the server properties page, click POP3.
Scroll down and click More options.
Under Time-out settings, use the following settings:
Authenticated time-out (seconds): Specifies the time to wait before closing an idle authenticated connection. The default value is 1,800. The possible values are from 30 through 86,400.
Unauthenticated time-out (seconds): Specifies the time to wait before closing an idle connection that isn't authenticated. The default value is 60. The possible values are from 30 through 3,600.
Click Apply, and then click OK to save your changes.
After you've set the connection time-out limits for POP3, you must restart the POP3 services for the settings to take effect. For information about how to restart the POP3 services, see Start and stop the POP3 services.
Use the Shell to set connection time-out limits for POP3
This example sets the connection time-out limit for idle authenticated connections to a server named CAS01.
Set-PopSettings -Server CAS01 -AuthenticatedConnectionTimeout TimeValue
This example sets the connection time-out limit for idle unauthenticated connections to a server named CAS01.
Set-PopSettings -Server CAS01 -PreAuthenticatedConnectionTimeout TimeValue
After you've set the connection time-out limits for POP3, you must restart the POP3 services for the settings to take effect. For information about how to restart the POP3 services, see Start and stop the POP3 services.
For more information about syntax and parameters, see Set-PopSettings.
How do you know this worked?
To verify that you've successfully set connection limits, do one of the following:
In the EAC, navigate to Servers > Servers.
In the list of servers, select the Client Access server, and then click Edit .
On the server properties page, click POP3.
Scroll down and click More options.
Under Time-out settings, verify the connection settings are correct.
Or
Run the following command in the Shell.
Get-PopSettings | format-list
Verify the connection settings are correct.
For more information
After you set connection time-out limits for POP3, you may also want to: