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DMA: MCU: Insufficient User Connections [3013]

Vikas Malik
Occasional Contributor

DMA: MCU: Insufficient User Connections [3013]

Hi Team,


I am observing DMA: MCU: Insufficient User Connections [3013] alarm on DMA multiple times, please help me out with this alarm.



Message 1 of 5
Polycom Employee & Community Manager

Re: DMA: MCU: Insufficient User Connections [3013]

Hello Vikas,

welcome to the Polycom Community.

It is always useful to include the currently used Software version as issues experienced or a question asked may already be addressed in a newer release.

This also allows yourself and others to check against current software release notes, Administrator Guides or FAQ post’s.

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

The title Poly Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. All posts and words are my own & do not represent the views of Employer.


Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your proper support channels.
Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's
Message 2 of 5
Vikas Malik
Occasional Contributor

Re: DMA: MCU: Insufficient User Connections [3013]

Hi Steffen,


Thnx for the response,


6.3.2_P3_Build_222610 is the SW version of the DMA now. Please let me know the impact of this alret also.

Message 3 of 5
Polycom Employee

Re: DMA: MCU: Insufficient User Connections [3013]

From the DMA Operations Guide:


"Note: MCU connections

In order to efficiently manage multiple calls as quickly as possible, the Polycom RealPresence DMA

system uses multiple connections per MCU. By default, a RealPresence Collaboration Server or RMX

MCU allows up to 20 connections per user. We recommend not reducing this setting (the


RealPresence DMA supercluster with three Conference Manager clusters and a busy conferencing

environment, we recommend increasing this value to 30."




Michael K. Bromley, CVE, CCENT, WCNA, VCA-DCV
Technical Lead
Infrastructure Technical Support Center
Message 4 of 5
Vikas Malik
Occasional Contributor

Re: DMA: MCU: Insufficient User Connections [3013]

Hi Michael ,


Thnx for the response let me try this.

Message 5 of 5