The third is a version best used when facing compatibility issues in any of the other two, though you won’t need it for the most part. Instead, to use the USESYSDB feature, set an installation path for the SQL Data Files feature instead of the Database Engine feature.The terminology here is quite self-explanatory, with the first being dedicated exclusively to running 32-bit apps and the second exclusive for 64-bit apps. For example, \MSSQL14\MSSQL\MSSQL10_50\MSSQL\Data\. The following table identifies versions for the paths.\MSSQL\", instance-specific directories are added to the end of that path.Ĭustomers who choose to use the USESYSDB upgrade functionality in the SQL Server Installation Wizard (Setup UI mode) can easily lead themselves into a situation where the product gets installed into a recursive folder structure. is the drive letter where components are installed. Shared Files for All Instances of SQL ServerĬommon files used by all instances on a single computer are installed in the folder :\Program Files\Microsoft SQL Server\ nnn\.
They are required for SQL Server tools to function properly. You can delete other directories, if necessary however, you might not be able to retrieve any lost functionality or data without uninstalling and then reinstalling SQL Server. For more information, see Install SQL Server with SMB Fileshare as a Storage Option.ĭo not delete any of the following directories or their contents: Binn, Data, Ftdata, HTML, or 1033. This applies to both SQL Server stand-alone and SQL Server failover cluster installations (FCI). System databases (master, model, MSDB, and tempdb), and Database Engine user databases can be installed with Server Message Block (SMB) file server as a storage option. Review this support article for more information: Antivirus software on computers running SQL Server. You might need to configure scanning software, such as antivirus and antispyware applications, to exclude SQL Server folders and file types. Program files and data files cannot be installed on a removable disk drive, cannot be installed on a file system that uses compression, cannot be installed to a directory where system files are located, and cannot be installed on shared drives on a failover cluster instance.
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