Lync cannot connect to the Exchange server. Please try signing out and signing back in. Outlook contact and calendar information will be unavailable until the connection is restored
Issue: Several Problems are there: Clients will unable to save conversation History in Outlook, Calendar Meetings will not sync, status will not reflect on Lync etc.
Error Message: Lync cannot connect to the Exchange server. Please try signing out and signing back in. Outlook contact and calendar information will be unavailable until the connection is restored.
Problem statement: Look like outlook and Lync integration not happened. There are many reasons behind the error message.
Best Practices: You must open the outlook before Lync.
1. Many cases, client will use different address [SMTP and SIP] address. E.g. Means email address : firstname.lastname@example.org and SIP address: email@example.com
Both addresses should be to get sync with each other.
2. You change the Lync (SIP) address via Lync control Panel or Lync Server Management Shell.
Set-CsUser –Identity “User Name” –SipURI firstname.lastname@example.org
b. Open Lync Control Panel > Click on Users > Find User> Double click on it and change the SIP address.
3. If you don’t want to compare email address and SIP then you disable the Email Comparison via CmdLet.
Set-CsClientPolicy -DisableEmailComparisonCheck $True4. Rare cases MAPI version are not up-to-date.
a. You copy MAPI32.DLL file from, working computer to affected computer.
b. Mapi file path:C:\Windows\System32\
c. You can match the Mapi file using command:
Close the Outlook and Lync from Task manage. Run the following command on command prompt:
After running these commands wait for 2-3 minutes and restart affected computer.
5. Outlook must use the Defaults Outlook profile.
6. eMail delivery must be on Server mailbox.
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