Office 365 Troubleshooting Guide The following are potential issues that could occur with the Email and Calendar migration to Office 365 along with solutions for resolution. Problem Solution I restarted my Outlook client as instructed and entered my credentials, the message Reboot your computer. Open your Outlook Client and enter your credentials. “The Microsoft Exchange Administrator has made a change that requires you to quit and restart Outlook” appeared again. I restarted my Outlook Client and entered my credentials and it is taking a long time to load. It may take a long time (30 minutes or more) to load the first time post migration. Please be patient and wait for it to load. This will not occur every time you open your client. The email, calendar, or contacts on my mobile device does not appear to be working. Delete your current mail account and recreate it. As an alternative, we recommend using the Microsoft Outlook application for iOS or Android. It increases calendaring reliability. I was asked for my credentials multiple times. It is best to use your email address first.last@yale.edu when logging into Office 365. I am not using the Outlook client and my client is not working. For staff: IMAP and POP are being disabled. you must switch to a client that supports Active Sync or Exchange Web Services such as Microsoft Outlook. For Faculty and Students: You will need to change your IMAP/POP settings to: Server: outlook.o365.com Port: 993 for IMAP 995 for POP Encryption Method: SSL Office 365 Troubleshooting Guide The following are potential issues that could occur with the Email and Calendar migration to Office 365 along with solutions for resolution. Problem Solution My Office 365 account is not showing my Yale mail. Be sure to check that you are in the correct account. You likely also have a personal Microsoft account or Office 365 account associated with your @yale.edu email address. You should change your personal accounts and link them to a personal email address to avoid confusion. Following message displayed: Outlook was redirected to the server autodiscover-s.outlook.com to get new settings for your account XXX@yale.edu.mail.onmicrosoft.com. Do you want to allow this server to configure your settings? Click "Allow" and then check the box provided to suppress the message in the future. When the migration occurred, I received the following alerts. - Error: outlook-running-restart.png Reboot your computer.