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Skype for business pool pair failover

Making a Living 0 Reputation points
2025-11-17T11:34:23.8633333+00:00

Hi Support,

i am going to setup skype for business se on prem on two sites and plan to use pool pair for disaster recovery purposes.

Does the alwayson sql between two sites need to setup using multi subnet? Similar to this link https://www.mssqltips.com/sqlservertip/4597/configure-sql-server-alwayson-availability-group-on-a-multisubnet-cluster/

Understand that based on this link https://v4.hkg1.meaqua.org/en-us/skypeforbusiness/plan-your-deployment/high-availability-and-disaster-recovery/disaster-recovery, backup service help to transfer user and conference data between the front end pair.

pls advise.

Moved from: Microsoft Teams | Microsoft Teams for business | Other

Windows for business | Windows Server | Devices and deployment | Other
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  1. Quinnie Quoc 7,625 Reputation points Independent Advisor
    2025-11-17T14:42:37.56+00:00

    Hi Making a Living,

    Thank you for your question. You're correct in planning to use a pool pairing configuration for Skype for Business Server SE across two sites to support disaster recovery.

    Yes, when configuring SQL Server AlwaysOn Availability Groups across two geographically separate sites, it is recommended to use a multi-subnet cluster setup. This ensures proper failover behavior and DNS resolution across subnets, as described in the article you referenced. Be sure to enable the MultiSubnetFailover=True parameter in your connection strings to optimize failover performance.

    As noted in the Skype for Business documentation, the backup service will replicate user and conference data between the paired pools, but it does not replace the need for proper SQL HA configuration.

    If this guidance helps, please click “Accept Answer” so others can benefit as well.

    Thank you so much!!!!

    Best regards,

    QQ.

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