SQL requirements
Supported SQL versions for the Lync Backend databases:
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Supported Microsoft SQL Versions
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Microsoft SQL Server 2008 with SP 1
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Microsoft SQL Server 2008 R2
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Microsoft SQL 2005 with SP3
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A new SQL database instance will be required as follows:
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SQL Database Requirements
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New SQL instance with the following features:
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Database Engine Services
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Management Tools – Basic
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Management Tools – Complete
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RTC SQL Database Size
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8 MB, with a maximum size of 1GB for 10,000 users
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Monitoring SQL Database Size
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DB size = 60KB (DB growth per user per day) * 1000(Number of users) * 365(Number of days)
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Collation
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SQL collation settings to “Dictionary order, case-insensitive, for use with 1252 Character set” (backwards compatible)
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Smarter Together 