2021-07-16 09:53:14 +00:00
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---
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layout: docs
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page_title: Vault ServiceNow Credential Resolver
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description: >-
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The Vault Credential Resolver allows ServiceNow MID servers to use Vault as an enterprise-grade external secret store.
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---
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# Vault Credential Resolver
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ServiceNow® MID servers can use the Vault Credential Resolver to consume secrets
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directly from Vault for the purpose of performing discovery. See
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2023-01-26 00:12:15 +00:00
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[installation](/vault/docs/platform/servicenow/installation) and
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[configuration](/vault/docs/platform/servicenow/configuration) for help getting started
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2021-07-16 09:53:14 +00:00
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with the Vault Credential Resolver.
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## Overview
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ServiceNow uses MID servers deployed inside customer networks to perform
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agent-less discovery of their infrastructure. As infrastructure such as databases
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or servers are discovered, their attributes such as address and software versions
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are stored in a database. Naturally, this process requires a wide array of
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credentials. Customers can use ServiceNow's built-in credential storage, or install
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an external credential resolver to take advantage of their existing enterprise-grade
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secret storage solution.
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[](/img/servicenow-vault-credential-resolver-diagram.png)
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The Vault Credential Resolver is one such resolver. The MID server will not
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store or cache any credentials marked as external, and will invoke the
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credential resolver each time it requires credentials.
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The Vault Credential Resolver is designed to communicate with a Vault Agent
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service installed on the same machine as the MID server. Authentication is
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handled between the Agent and Vault, and Vault Agent also handles caching and
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renewing leased secrets to ensure the load on Vault is minimized.
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### Features
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The following features are supported by the Vault Credential Resolver:
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- KV, Active Directory and AWS secret engines.
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- Communication with Vault via Vault Agent.
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- TLS communication with Vault Agent.
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