WORKAROUND:
1. Locate the mailbox in the list of mailboxes displayed in the Mailbox Administration form by Scrolling through the list of mailboxes.
2. Click Edit to the left of the mailbox name to display the Edit Mailbox form for the selected mailbox
3. Locate the desired user in the list of users displayed on the right side of the Users tab of the Edit Mailbox form.
Either:
• Enter the name of the desired user in the Find User field and then click Search; or
• Use the page browsing controls below the list of users to browse for the desired user.
4. Select the checkbox to the right of the user.
5. Click Add to Mailbox. The selected users are added to the list of users displayed on the left side of the Users tab of the Edit Mailbox form.
STATUS:
Waiting for a fix in the future release of Archive Manager