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Some availability replicas are not synchronizing data

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Introduction
Policy Name Availability Replicas Data Synchronization State
Issue Some availability replicas are not synchronizing data.
Category Warning
Facet Availability group

Description

This policy rolls up the data synchronization state of all availability replicas in the availability group and checks if the synchronization of any availability replica is not operational. The policy is in an unhealthy state if any of the data synchronization states of the availability replica is NOT SYNCRONIZING.

This policy is in a healthy state if none of the data synchronization states of the availability replica is NOT SYNCHRONIZING.

Note

For this release of SQL Server 2014, information about possible causes and solutions is located at Some availability replicas are not synchronizing data on the TechNet Wiki.

Possible Causes

In this availability group, at least one secondary replica has a NOT SYNCHRONIZING synchronization state and is not receiving data from the primary replica.

Possible Solution

Use the availability replica policy state to find the availability replica with a NOT SYNCHROINIZING state, and then resolve the issue at the availability replica.

See Also

Overview of AlwaysOn Availability Groups (SQL Server)
Use the AlwaysOn Dashboard (SQL Server Management Studio)