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How to Modify the Default Settings for Both the Polling Interval and the Message Expiration Period for the System Attendant Mailbox in Exchange Server 2007

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1

Topic Last Modified: 2007-09-17

This topic explains how to use the registry editor to customize the settings for the polling interval and message expiration period for the Microsoft Exchange System Attendant mailbox in Microsoft Exchange Server 2007.

Caution   Incorrectly editing the registry can cause serious problems that may require you to reinstall your operating system. Problems resulting from editing the registry incorrectly may not be able to be resolved. Before editing the registry, back up any valuable data.

Exchange 2007 uses default settings for both the polling interval and the message expiration period for the Microsoft Exchange System Attendant mailbox. This topic describes how to modify these default settings by creating registry values to specify a different value.

The following registry values control the polling interval and the message expiration period settings for the Microsoft Exchange System Attendant mailbox.

PeriodicPollingInterval
  • You must specify this value in seconds.

  • This value must be between 56 and 86400 seconds (56 seconds and 24 hours).

  • The default value is 56 seconds.

NonSecureServiceRequestExpiration
  • You must specify this value in minutes.

  • This value must be between 5 and 1440 minutes (5 minutes and 24 hours).

  • The default value is 5 minutes.

SecureServiceRequestExpiration
  • You must specify this value in minutes.

  • This value must be between 5 and 2880 minutes (5 minutes and 48 hours).

  • The default value is 1440 minutes (24 hours).

noteNote:
These registry values are not created when Exchange 2007 is installed. If the values do not exist, Exchange uses the default values for each setting.
noteNote:
If you specify values that are outside the accepted range for these settings, Exchange uses the default values for each setting.

importantImportant:
You should modify these settings only if instructed by Microsoft Customer Service and Support.

To perform this procedure, the account you use must be delegated the following:

  • Exchange Server Administrator role and local Administrators group for the target server

For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.

  1. Start the registry editor and connect to the registry of the server that contains the Microsoft Exchange System Attendant mailbox you want to configure.

  2. Locate HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeServiceHost\SystemAttendantMailboxServicelet. If this registry key is not present, create it using the following steps:

    1. Right-click MSExchangeServiceHost, select New, and then select Key.

    2. Name the new key SystemAttendantMailboxServicelet.

  3. To configure a custom periodic polling interval for the Microsoft Exchange System Attendant mailbox, do the following:

    1. Right-click SystemAttendantMailboxServicelet, select New, and then select DWORD value.

    2. Name the new DWORD value PeriodicPollingInterval.

    3. Right-click PeriodicPollingInterval, and then click Modify.

    4. For the Base option, click Decimal.

    5. In the Value data text box, enter a positive integer between 56 and 86400, and then click OK.

  4. To configure a custom request expiration interval for service requests that are not secure for the Microsoft Exchange System Attendant mailbox, do the following:

    1. Right-click SystemAttendantMailboxServicelet, select New, and then select DWORD value.

    2. Name the new DWORD value NonSecureServiceRequestExpiration.

    3. Right-click NonSecureServiceRequestExpiration, and then click Modify.

    4. For the Base option, click Decimal.

    5. In the Value data text box, enter a positive integer between 5 and 1440, and then click OK.

  5. To configure a custom request expiration interval for secure service requests for the Microsoft Exchange System Attendant mailbox, do the following:

    1. Right-click SystemAttendantMailboxServicelet, select New, and then select DWORD value.

    2. Name the new DWORD value SecureServiceRequestExpiration.

    3. Right-click SecureServiceRequestExpiration, and then click Modify.

    4. For the Base option, click Decimal.

    5. In the Value data text box, enter a positive integer between 5 and 2880, and then click OK.

  6. Close the registry editor.

 
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