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In conjunction with the CU Denver and CU Anschutz Medical Campus move to a new Microsoft licensing model beginning next month, changes will occur for resource mailbox users accessing their mailbox with a password. This licensing change will require OIT to convert all resource mailboxes from licensed user accounts (which they are today) to shared mailboxes in Office 365. Shared mailboxes in Office 365 allow a group of users to view and send e-mail from a common mailbox without a password.

What this means to you if you are logging into a resource mailbox using a password

• You will need to change how you are accessing your resource mailbox. Passwords for resource/shared mailboxes can no longer be used to access the mailbox.

• Shared mailboxes will require that access is given. Users will authenticate to shared mailboxes with their own username and password.
• The mailbox size will decrease to 50GB from 100GB.
• Some application administrators have used the username/password included with a resource mailbox to run an application. Any applications running as resource mailboxes accounts will need to be changed and may stop functioning once converted.

If you and your department are already accessing the resource mailboxes as shared mailboxes, you won’t need to take any action and nothing will change when the license switches from a resource mailbox to a shared mailbox.

Visit the OIT resource mailbox information webpage for additional information about the conversion of resource mailboxes to shared mailboxes in Office 365. If you have questions about how to make this change, please contact the Constituent Services team for assistance.