- 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
رقم الموضوع: 2298541 - آخر مراجعة: 16/12/2016 - المراجعة: 1