Single Label Domains

Single-label DNS names are DNS names that do not contain a suffix such as .com, .corp, .net, or .org. For example, contoso would be an SLD while contoso.com, contoso.net, or contoso.local would not be an SLD.

Although SLD is not a common configuration worldwide, some Microsoft products can be installed in an SLD and other uncommon namespace configurations; certain considerations might apply as noted by individual product groups. Existing products might continue to function with SLDs, but SLDs are not a recommended configuration for future deployments, and might not work with some products or versions. Other Microsoft or third party applications that end-users might wish to run in your environment might not be compatible on an SLD. Microsoft recommends that customers deploy infrastructure using common, tested configurations to minimize extra deployment and testing costs.

Known Issues with SLDs

Citrix is not aware of any issues with SLDs.

Recommendation

SLDs are not a recommended configuration for Microsoft products and Citrix adopts the same recommendation.

More Information

Microsoft Support for Single Label Domains

Information about configuring Windows for domains with single-label DNS names

Administering Active Directory Domain Rename

Active Directory Installation Warnings in Domains with Single Label DNS Names

Unable to Select DNS Server Role when Adding a Domain Controller into an Existing Active Directory Domain

Single Label Domains in Active Directory Domain Services

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Support for Single Label Domains for XenDesktop and XenApp.