content/manuals/enterprise/security/single-sign-on/configure.md
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Learn how to set up single sign-on (SSO) for your Docker organization by adding and verifying the domains your members use to sign in.
[!NOTE]
Docker supports multiple identity provider (IdP) configurations. You can associate one domain with more than one IdP.
To add a domain:
To confirm domain ownership, add a TXT record to your Domain Name System (DNS) host using the TXT Record Value from Docker. DNS propagation can take up to 72 hours. Docker automatically checks for the record during this time.
[!TIP]
When adding a record name, use
@or leave it empty for root domains likeexample.com. Avoid common values likedocker,docker-verification,www, or your domain name itself. Always check your DNS provider's documentation to verify their specific record name requirements.
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