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SQL Server 2019 Core - Always on Availability Group - Availability replica is disconnected - Database Administrators Stack Exchange
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The local availability replica of availability group 'JBAG' cannot accept signal 'UNJOIN_DB' in its current replica role - JBs Wiki
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Sql Server Alwayson Error: This secondary replica is not connected to the primary replica. The connected state is DISCONNECTED. | by HKN MZ | Medium
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Primary replica is not joined to the Availability group, or clusters past morphing into clusters present - BlackCat Reasearch Facility
![Configuration of SQL2012 AlwaysOn High Availability Group fails with error 35250 | Jan Hendriks Blog Configuration of SQL2012 AlwaysOn High Availability Group fails with error 35250 | Jan Hendriks Blog](https://jhmeier.files.wordpress.com/2012/05/sql04.png)
Configuration of SQL2012 AlwaysOn High Availability Group fails with error 35250 | Jan Hendriks Blog
![Configure a standalone SQL Server node as database availability replica of a SQL Server failover cluster instance | AWS Database Blog Configure a standalone SQL Server node as database availability replica of a SQL Server failover cluster instance | AWS Database Blog](https://d2908q01vomqb2.cloudfront.net/887309d048beef83ad3eabf2a79a64a389ab1c9f/2021/10/21/DBBLOG-1602-ARCH-DIAG.png)
Configure a standalone SQL Server node as database availability replica of a SQL Server failover cluster instance | AWS Database Blog
![SQL SERVER - Always On Replica Disconnected After Changing SQL Server Service Account - SQL Authority with Pinal Dave SQL SERVER - Always On Replica Disconnected After Changing SQL Server Service Account - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/d/ao-sec-disc-01.jpg)