How to exclude mailboxes from mailbox management process

Source: Microsoft Support

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How to exclude mailboxes from mailbox management process

Environment Details

Exchange 2003 SP1, single domain
Default policy was responsible for stamping e-mail addresses on mailboxes
Mailbox management policy was configured to exclude the mailboxes where the users accounts didn't have any value in the custom attribute 8
Mailbox management process configured to delete mails immediately if the mails were 30 days older in the folders

But the mailbox management process deleting the mails for those mailboxes which supposed to exclude from it.

If you put the filter to exclude the users where there would be some variable in the custom attribute, it will include that policy in the MsExchPoliciesInclude attribute. Mailbox Management process will not exclude those mailboxes. The filter not able to search those user accounts.

If the filter is configured to exclude the mailboxes where there would be no value in the custom attribute, then that policy will be applicable on the mailboxes and the object GUID of the policy will be added to the MsExchPoliciesIncluded attribute. We need to tell the mailbox management process to exclude that policy to be implement on the user mailbox. In order to achieve this we need to add that policy in MsExchPoliciesExcluded attribute in the properties of the respective user account.

There are two methods to achieve it.

Method 1

Open ADSIEDIT.
Checked the MsExchPoliciesIncluded and MsExchPoliciesExcluded attributes for those user accounts which you want to exclude from the mailbox management process.
You may see the object GUID of the default policy and the other policies along with the mailbox management policy in the attribute MsExchPoliciesIncluded.
In the MsExchPoliciesExcluded attribute you find the value as {3B6813EC-CE89-42BA-9442-D87D4AA30DBC}
Remove the {3B6813EC-CE89-42BA-9442-D87D4AA30DBC} value from the MsExchPoliciesExcluded attribute in the users properties.
Include the Object GUID of the mailbox management policy in the MsExchPoliciesExcluded attribute in the users properties.
Click the Apply button or the Ok button
Close the ADSIEDIT once saved, the change takes effect shortly. The Recipient Update Service must process the object before the mailbox is excluded from Mailbox Manager.

Method 2

Follow the KB article How to exclude mailboxes from the Mailbox Manager process
http://support.microsoft.com/?kbid=288115

Note If the same Object GUID of a policy is shown in both MsExchPoliciesExcluded and MsExchPoliciesIncluded, the exclusion of the policy from that mailbox will take precedence.