A user trying to login to Vault is receiving an error: User with Vault Username  was not found.
The Vault SAML Profile is setup to use Vault usernames as the user identifier between the Identity Provider and Vault. The value within the brackets of this error message is not a valid Vault username in the Vault.
Vault Documentation: About SAML User ID Types
Send us your feedback: We're always looking for advice to help improve our Knowledge Base! Please let us know if this article was helpful or provide feedback on how we can improve your experience here.