2017-04-06 13:33:49 +00:00
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---
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layout: "docs"
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page_title: "MSSQL - Storage Backends - Configuration"
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sidebar_current: "docs-configuration-storage-mssql"
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description: |-
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The MSSQL storage backend is used to persist Vault's data in a Microsoft SQL Server.
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---
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# MSSQL Storage Backend
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The MSSQL storage backend is used to persist Vault's data in a Microsoft SQL Server.
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- **No High Availability** – the MSSQL storage backend does not support high
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availability.
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- **Community Supported** – the MSSQL storage backend is supported by the
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community. While it has undergone review by HashiCorp employees, they may not
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be as knowledgeable about the technology. If you encounter problems with them,
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you may be referred to the original author.
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```hcl
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storage "mssql" {
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server = "localhost"
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username = "user1234"
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password = "secret123!"
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database = "vault"
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table = "vault"
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appname = "vault"
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schema = "dbo"
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connectionTimeout = 30
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logLevel = 0
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}
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```
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## `mssql` Parameters
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- `server` `(string: <required>)` – host or host\instance.
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- `username` `(string: "")` - enter the SQL Server Authentication user id or
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the Windows Authentication user id in the DOMAIN\User format.
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On Windows, if user id is empty or missing Single-Sign-On is used.
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2017-04-06 13:33:49 +00:00
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- `password` `(string: "")` – specifies the MSSQL password to connect to
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the database.
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- `database` `(string: "Vault")` – Specifies the name of the database. If the
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database does not exist, Vault will attempt to create it.
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- `table` `(string: "Vault")` – Specifies the name of the table. If the table
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does not exist, Vault will attempt to create it.
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- `schema` `(string: "dbo")` – Specifies the name of the schema. If the schema
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does not exist, Vault will attempt to create it.
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- `appname` `(string: "Vault")` – the application name.
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- `connectionTimeout` `(int: 30)` – in seconds (default is 30).
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- `logLevel` `(int: 0)` – logging flags (default 0/no logging, 63 for full logging) .
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- `max_parallel` `(string: "128")` – Specifies the maximum number of concurrent
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requests to MSSQL.
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2017-04-06 13:33:49 +00:00
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## `mssql` Examples
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### Custom Database, Table and Schema
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This example shows configuring the MSSQL backend to use a custom database and
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table name.
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```hcl
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storage "mssql" {
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database = "my-vault"
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table = "vault-data"
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schema = "vlt"
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username = "user1234"
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password = "pass5678"
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}
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```
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