File Locations for Default and Named Instances of SQL Server An installation of SQL Server consists of one or more separate instances. An instance, whether default or named, has its own set of program and data files, as well as a set of common files shared between all instances of SQL Server on the computer. For an instance of SQL Server that includes the Database Engine, Analysis Services, and Reporting Services, each component has a full set of data and executable files, and common files shared by all components. To isolate install locations for each component, unique instance IDs are generated for each component within a given instance of SQL Server. Important 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. You might need to configure scanning software, such as antivirus and antispyware applications, to exclude SQL Server folders and file types. Review this support article for more information: Antivirus software on computers running SQL Server. 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. This applies to both SQL Server stand- alone and SQL Server failover cluster installations (FCI). For more information, see Install SQL Server with SMB Fileshare as a Storage Option. Do not delete any of the following directories or their contents: Binn, Data, Ftdata, HTML, or 1. 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. Do not delete or modify any of the . HTML directory. They are required for SQL Server tools to function properly. Shared Files for All Instances of SQL Server Common files used by all instances on a single computer are installed in the folder < drive> :\Program Files\Microsoft SQL Server\nnn\. The default is usually drive C. The following table identifies versions for the paths. Version. 14. 0SQL Server 2. SQL Server 2. 01. SQL Server 2. 01. ![]() Error message when you try to modify or reinstall the existing installation of SQL Server Native Client: "The file 'Folder\sqlncli. is not a valid installation. The file 'DACFramework.msi' is not a valid installation package for the product Microsoft SQL Server 2008 R2 Data-Tier Application Framework. Try to find the. SQL Server is not a valid installation folder how. \Program Files (x86)\Microsoft SQL Server\ is not valid installation folder. SQL Server 2008 R2 installation. ยท The following procedure describes how to install SQL Server 2008. SQL Server prerequisites if they are not. installation folder. All SQL Server. To a temp folder which is subsequently deleted post install. Deployment Solution 6.9 SP1 and I first insatlled SQL Server. The SQL data management studio does not. Find Sql Server Installation FolderSQL Server 2. 01. File Locations and Registry Mapping During SQL Server Setup, an instance ID is generated for each server component. The server components in this SQL Server release are the Database Engine, Analysis Services, and Reporting Services. The default instance ID is constructed by using the following format: MSSQL for the Database Engine, followed by the major version number, followed by an underscore and the minor version when applicable, and a period, followed by the instance name. MSAS for Analysis Services, followed by the major version number, followed by an underscore and the minor version when applicable, and a period, followed by the instance name. MSRS for Reporting Services, followed by the major version number, followed by an underscore and the minor version when applicable, and a period, followed by the instance name. Examples of default instance IDs in this release of SQL Server are as follows: MSSQL1. MSSQLSERVER for a default instance of SQL Server 2. MSAS1. 4. MSSQLSERVER for a default instance of SQL Server 2. Analysis Services (SSAS). MSSQL1. 4. My. Instance for a named instance of SQL Server 2. My. Instance." Note. The two digit number in the instance ID path identifies the version number. In the preceding examples, version number 1. SQL Server 2. 01. The directory structure for a SQL Server 2. Database Engine and Analysis Services, named "My. Instance", and installed to the default directories would be as follows: C: \Program Files\Microsoft SQL Server\MSSQL1. My. Instance\ C: \Program Files\Microsoft SQL Server\MSAS1. My. Instance\ You can specify any value for the instance ID, but avoid special characters and reserved keywords. You can specify a non- default instance ID during SQL Server Setup. Instead of < Program Files> \ Microsoft SQL Server, a < custom path> \ Microsoft SQL Server is used if the user chooses to change the default installation directory. Note that instance IDs that begin with an underscore (_) or that contain the number sign (#) or the dollar sign ($) are not supported. Note Integration Services and client components are not instance aware and, therefore are not assigned an instance ID. By default, non- instance- aware components are installed to a single directory: < drive> :\Program Files\Microsoft SQL Server\nnn\. Changing the installation path for one shared component also changes it for the other shared components. Subsequent installations install non- instance- aware components to the same directory as the original installation. SQL Server Analysis Services is the only SQL Server component that supports instance renaming after installation. If an instance of Analysis Services is renamed, the instance ID will not change. After instance renaming is complete, directories and registry keys will continue to use the instance ID created during installation. The registry hive is created under HKLM\Software\ Microsoft\ Microsoft SQL Server\< Instance_ID> for instance- aware components. For example, HKLM\Software\ Microsoft\ Microsoft SQL Server\MSSQL1. My. Instance HKLM\Software\ Microsoft\ Microsoft SQL Server\MSAS1. My. Instance HKLM\Software\ Microsoft\ Microsoft SQL Server\MSRS1. My. Instance The registry also maintains a mapping of instance ID to instance name. Instance ID to instance name mapping is maintained as follows: [HKEY_LOCAL_MACHINE\Software\ Microsoft\ Microsoft SQL Server\Instance Names\SQL] "Instance. Name"="MSSQL1. 4" [HKEY_LOCAL_MACHINE\Software\ Microsoft\ Microsoft SQL Server\Instance Names\OLAP] "Instance. Name"="MSAS1. 4" [HKEY_LOCAL_MACHINE\Software\ Microsoft\ Microsoft SQL Server\Instance Names\RS] "Instance. Name"="MSRS1. 4" Specifying File Paths During Setup, you can change the installation path for the following features: The installation path is displayed in Setup only for features with a user- configurable destination folder: Component. Default path. Configurable or Fixed Path Database Engine server components\Program Files\ Microsoft SQL Server\MSSQL1. Instance. ID> \Configurable Database Engine data files\Program Files\ Microsoft SQL Server\MSSQL1. Instance. ID> \Configurable Analysis Services server\Program Files\ Microsoft SQL Server\MSAS1. Instance. ID> \Configurable Analysis Services data files\Program Files\ Microsoft SQL Server\MSAS1. Instance. ID> \Configurable Reporting Services report server\Program Files\ Microsoft SQL Server\MSRS1. Instance. ID> \Reporting Services\Report. Server\Bin\Configurable Reporting Services report manager\Program Files\ Microsoft SQL Server\MSRS1. Instance. ID> \Reporting Services\Report. Manager\Fixed path Integration Services< Install Directory> \1. DTS\ 1. Configurable. Client Components (except bcp. Install Directory> \1. Tools\ 1. Configurable. Client Components (bcp. Install Directory> \Client SDK\ODBC\1. Tools\Binn. Fixed path. Replication and server- side COM objects < drive> :\Program Files\Microsoft SQL Server\nnn\COM\ 2. Fixed path Integration Services component DLLs for the Data Transformation Run- time engine, the Data Transformation Pipeline engine, and the dtexec command prompt utility < drive> :\Program Files\Microsoft SQL Server\nnn\DTS\Binn. Fixed path. DLLs that provide managed connection support for Integration Services < drive> :\Program Files\Microsoft SQL Server\nnn\DTS\Connections. Fixed path. DLLs for each type of enumerator that Integration Services supports < drive> :\Program Files\Microsoft SQL Server\nnn\DTS\For. Each. Enumerators. Fixed path SQL Server Browser Service, WMI providers < drive> :\Program Files\Microsoft SQL Server\nnn\Shared\Fixed path.
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