Lync for mac not downloading address book

I wanted to write this blog article to add clarity on how external contacts can appear in Lync Online in a very limited scenario:. Outlook must be configured for cached Exchange Mode this is the default configuration for Exchange Online.

Set up Lync for Mac 2011 for Office 365

Outlook and Lync must be on the same version ex: Lync and Outlook Crossing versions is not supported and will not work ex: The rest of this article explains why. Therefore, when Lync Online is formatting its EWS query, it appears to exclude external contacts and only include licensed Lync Online users.

The only Lync client that can search and find external contacts is the Lync client for Windows when installed on a computer with Outlook configured for cached mode, with a local copy of the Offline Address Book. When troubleshooting, remember that the OAB does not download immediately after a fresh Outlook profile is created, so it can take some time before external contacts will appear see below for more information on how to check for this. Lync Online does not download a Lync address book. This is the opposite behavior of the Lync on-premises Server. Instead, Lync Online clients that want to lookup a contact will perform a web services query in two parts.

The first query depends on whether an EWS connection is available and established note: Then, Lync Online is also configured to query the local Outlook via a MAPI connection to the local Outlook profile installed on the same local workstation that Lync is installed on, and it passes the query to Exchange on behalf of Lync.

Lync Online and External Contacts

Again, cached mode is required. Lync Online can only query external contacts in the GAL when the local Outlook client is configured for cached mode. Additionally, the SIP address of the user performing the search should match their email address otherwise the EWS and MAPI connection will fail and the user may receive authentication prompts. Also keep in mind that any updates to external contacts in the GAL will not be visible in Lync until the next time the Offline Address Book OAB is downloaded by the Outlook client approximately once per day. This can take as long as 48 hours in a worst case scenario, consider the behavior by design:.

Troubleshooting Point 2: Is the Contact Photo the Wrong Size?

So yes, all of the stars must align in order for the Lync client to search for external contacts. But it does work! Next, download the Offline Address Book. You can check to see if the offline address book was downloaded by checking the timestamps in this directory: OAB files: EnhancedEmergencyServicesEnabled property is enabled on the location policy applied to the network site of the subnet to which the user is connected Skype for Business Server , July update required.

Join the meeting from the Meetings tab inside the app version When contact details for the signed-in user change, the contact card in Skype for Business on Mac may not show the current information. Wait for at least 24 hours from the time that the new contact information was published in Active Directory. Sign out from or disconnect desk phones or applications provided by peripheral manufactures such as headsets that have a Skype for Business connection.

What's new in Skype for Business on Mac? Expand your Office skills.

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Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents. Contact Support. Requirements for Skype for Business and Outlook integration on Mac: Mac Outlook version Skype for Business must be running. Same user account needs to be signed into Outlook and Skype for Business. Ensure the user account is the same in Outlook and Skype for Business.

Restart Outlook. Reinstall Skype for Business on Mac. Ensure Skype for Business is running and signed in.

3 Ways to Make Sure Contact Photos Display in Skype for Business - The Skype for Business Insider

Troubleshooting if single window mode is not available, check the following: Adding a distribution group that has more than contacts will result to contacts only. To view the full member list of distribution group, use Outlook to expand the group. Essentially, you will need to: