Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Symptoms

This issue occurs in a Microsoft Lync Server 2010 or a Microsoft Lync Server 2013 environment that has multiple front-end servers deployed. This issue occurs because multiple Audio Conferencing Provider (ACP) Media Control Unit (MCU) services send the INVITE and the SUBSCRIBE requests to the audio conferencing provider module for the same meeting.

Resolution

To resolve this issue, install the following update:

2881070 August 2014 update for Lync 2013 (KB2881070)

Facebook LinkedIn Email
SUBSCRIBE RSS FEEDS

Need more help?

Want more options?

Discover Community

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Microsoft 365 subscription benefits

Microsoft 365 training

Microsoft security

Accessibility center

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Ask the Microsoft Community

Microsoft Tech Community

Windows Insiders

Microsoft 365 Insiders

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×