Failover Cluster configuration in windows 2019 for 2 subnets

  • Today I am in critical situation for Production server build with failover cluster for 2 different sub nets with 3 nodes cluster.

    SQL1.domain.com xx.aaa.bb.cc1

    SQL2.domain.com xx.aaa.bb.cc2

    DR.domain.com xx.aa1.bb.zzz

    While validating a Failover Cluster over two member servers I get the following two errors:

    Connectivity to a writable domain controller from node SQL2.domain.com could not be determined because of this error: Could not get domain controller name from machine SQL2.

    Node(s) SQL2.domain.com cannot reach a writable domain controller. Please check connectivity of these nodes to the domain controllers.

    I would very happy and appreciate if get it fixed. Please help me out. Thank You

  • Thanks for posting your issue and hopefully someone will answer soon.

    This is an automated bump to increase visibility of your question.

  • Find any answer to this?  I've encountered the same issue.

  • It's not recommended to install SQL Server on a Domain controller. Please read this : https://learn.microsoft.com/en-us/answers/questions/571019/domain-controller-sql-server-2019

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