Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

You receive the error "Invalid URL" when you try to join a Lync Online conference

View products that this article applies to.


When you try to join a Microsoft Lync Online conference, you may receive the following message:
Error: Meeting URL is not valid.
Additionally, there may be a potential overlap of some meetings.

↑ Back to the top


This issue occurs�if�two users of the same Microsoft Office 365 tenant share the same user name (alias). Because of how Lync generates meeting URLs, two users on the same Office 365 tenant who have the same user name will share the same meeting URLs. This causes the Lync Online conference to become corrupted or to be invalid.

↑ Back to the top


To resolve this issue,�if you have two users who have the same user name, change the user name of one of the users who has the duplicate user name. For information about how to edit and change user accounts in Office 365, see the following Help topic:�

↑ Back to the top

Keywords: KB2597231, vkbportal237, kbprb, o365, vkbportal230, vkbportal231

↑ Back to the top

Article Info
Article ID : 2597231
Revision : 8
Created on : 8/1/2012
Published on : 8/1/2012
Exists online : False
Views : 68