- You receive a message in Lync that says it cannot connect to Exchange.
- You're repeatedly prompted to provide a user name and a password to connect to Exchange.
- You may also receive the following message: Credentials are required
- Calendar and Free/Busy information from Outlook
- Exchange Web Services (EWS)
- Response Group Service
- Address Book Service
文章 ID：2298541 - 上次审阅时间：2016年12月16日 - 修订版本： 1