why is skype not working messages send failure

Generally for troubleshooting, if two external contacts have problems communicating, they should both completely remove the other contact from their own contact list. Under Contacts not using Lync, clear the box labeled Block all invites and communications. Open the Lync Options page and then click Alerts. In Lync, make sure that the setting to block all invites isn't set. Control access to your presence information in Lync 2013.Control access to your presence information in Lync 2010.For more information, go to the following Microsoft websites: Resolving permissions issues between individual contactsīoth external contacts have to be added to one another's contact lists, and they must have the appropriate permissions. Guided Walkthrough: Set up Skype for Business Online External Communications.This setting can be configured at the organization or user level.įor help configuring external communications for your organization, go to the following Microsoft website: This includes other Lync or OCS organization and public IM contacts on Skype or Microsoft Messenger. Office 365 professional and business customers can turn external communications on or off only for all external contacts. Public Instant Messaging (IM) contacts on Skype or Microsoft Messenger.Other organizations that are using Skype for Business Online, Microsoft Lync Server 2010, Microsoft Lync Server 2013, or Microsoft Office Communications Server 2007 R2.Office 365 enterprise and academic customers can configure individual access options for the following external contacts on both an organization and user level: Public IM contact (Microsoft Messenger, Skype)Įxternal Communications for PIC disabled or Federation SRV record missingĬonfiguring external communications for Skype for Business Online

Type and number of external contactsĮxternal Communications disabled or Federation SRV record missing The following table will help determine what the most likely cause of the issue is, depending on the type and number of contacts that are affected. The first step to resolve issues that affect Skype for Business Online is to scope the issue appropriately. When the external contact receives a Skype for Business Online meeting invitation and then clicks Join Online Meeting, the user receives an error message that states that the person doesn't have permission to join the meeting, and the connection fails. When you search for the external contact, or you review an external contact who's already added to your contact list, the presence icon is unavailable (it appears dimmed), and Presence Unknown is displayed.Įxternal contacts can't join Skype for Business Online meetings. Presence is unknown for an external contact. The following error message may also be recorded in the Lync 2010 UCCAPI logs:Ĥ03 Forbidden: From URI not authorized to communicate with federated partners.

Why is skype not working messages send failure