AVMCUSvc.exe crashes when more than one network adapter is installed in Lync Server 2010 A/V Conferencing Server

Applies to: Lync Server 2010 Enterprise Edition


AVMCUSvc.exe crashes when many network adapters are installed in Microsoft Lync Server 2010 A/V Conferencing Server.

  • AVMCUSvc.exe is the process name of the Audio Video Multipoint Conferencing Unit service.
  • A/V Conferencing Server means Audio/Video Conferencing Server.


To resolve this issue, install the February 2015 Cumulative Updatefor Microsoft Lync Server 2010 Unified Communications Managed API 3.0 Runtime.

More Information

This issue occurs because a deleted object is referenced.