The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 9: Investigating FILESTREAM Databases/*FilestreamConfiguredLevel FilestreamEffectiveLevel------------------------- ------------------------3 3*/Listing 9-4:Identifying the FILESTREAM access level at the Windows level.Both FilestreamConfiguredLevel and FilestreamEffectiveLevel return anumeric value that indicates the current configuration value, as follows:• 0 – FILESTREAM is disabled• 1 – FILESTREAM is enabled for T-SQL access• 2 – FILESTREAM is enabled for T-SQL and Win32 streaming access (local only)• 3 – FILESTREAM is enabled for T-SQL and Win32 streaming access (local and remote)(Undocumented).The difference between FilestreamConfiguredLevel and FilestreamEffective-Level is found in how FILESTREAM requires configuration changes at the Windowslevel, through Configuration Manager, and at the SQL Server instance level throughSSMS or the sp_configure stored procedure (see Appendix A for more details).Note that at time of writing (March 2012) the description of these server properties given inBooks Online was not accurate.The FilestreamConfiguredLevel property returns the value as configured inConfiguration Manager. FilestreamEffectiveLevel returns the actual ("effective")level of FILESTREAM access that is enabled. FilestreamEffectiveLevel can be lessthan or equal to FilestreamConfiguredLevel. If the configuration at the instancelevel is different from the configuration at the Windows level, the lower access level willprevail. Let's examine this in the matrix below.337