Licensing a Disaster Recovery or standby server

Posted on 2006-05-08
Last Modified: 2010-08-05
I have a few questions concerning licensing and backup servers.
Client has a Win2003 server in TS application mode, users are running MS office applications on the server.  They currently have 1 Win2003 standard license, 1 MS office enterprise license for the MS applications (all of the clients have a valid MS Office license of equal to or greater then the server version to fulfill the MS Office requirements).  I am setting up a second server for them in case the first fails.  It will be at a different location for standby operations.  I will be updated the standby server at least once a day to keep databases up to date (poor mans clustering), but the client will only be using 1 server at a time.  
1.  Do I need another server and office license for this setup?  
2.  Is this considered a "warm" standby server?
3.  If I did not update it, would it be a "cold server and also require a license?

Another client had a Win2003 SBS, I would like to provide the same type of solution as above, same questions except they have the SBS cals, and are not running TS.

Thanks - Wayne

Thanks - Wayne
Question by:wspjones99

    Author Comment

    I found my own answer, do I get the points?
    For a detailed description see this link.  It goes into detail on the licensing requirements of a standby server.

     - Wayne

    Author Comment

    QUESTION:  What are the differences between “hot”, “warm”, and “cold” server backups?
    ANSWER:  Definitions of these terms vary a bit across the industry, generally:
    •      Cold server backups refer to those machines which have software installed and configured, but then are turned off.
    •      Warm backups are those which are turned on periodically to receive backups of data from the production servers. For example, warm backups are used in mirroring, replication, and log-shipping scenarios.
    •      Hot backups are those which are frequently turned on and ready to move into production mode immediately. These are typical in failovers within a cluster.

    Microsoft’s Software Assurance benefit covers cold backups set up for disaster recovery purposes only.

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