Thursday, April 8, 2010

How Many Databases Can I Mirror?

There is a new article on SQLCAT which answers a commonly asked question about database mirroring. How many databases can I mirror from a single instance? The answer is, for 64 bit systems there is no limit. It all comes down to system resources. For 32 bit systems there is a recommendation of 10 databases, however this is only a rule of thumb.

Mirroring a Large Number of Databases in a Single SQL Server Instance

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