Consolidating multiple SQL Instances

  • I am looking to consolidate multiple instances onto one database server.

    Can you install both SQL Server 2000 and SQL Server 2005 (is it even supported or recommended) of SQL Server on one server?

    Also, in test I've created multiple instances in SQL 2005 and have applied service packs to some instances and not to others. Is this a safe practice in a production environment. When you apply a service pack to just one instance, does it update files that may be used by all of the instances.

    I've been trying, unsuccessfully, to get a definitive answer to this for quite a while now.

    Thanks in advance.

    Jenn

  • Yes you can run SQL 2000 and SQL 2005 on the same server. One will have to ba named instance.

    You can also run different SP levels on one server using named instances.

    I think that with the advances in virtualization you are more likely to see the multiple instances to be installed in VM's instead of as Named instances, especially when running at different SP levels.

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