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How to Use Different Branding for a Subdomain in Microsoft Entra ID
Question details
The user wants to know if they can apply a separate logo or sign-in theme for a specific subdomain within a single Microsoft 365 tenant using Microsoft Entra ID.
- Product
- Microsoft Entra ID
- Device & OS
- not provided
- Scenario
- Configuring distinct company branding for sign-in pages and Access Panels across different subdomains.
- Observed behavior
- Company branding is currently applied uniformly to the entire directory or tenant, forcing all domains and subdomains to share the same sign-in theme.
Ensure you have Global Administrator or Company Administrator permissions in your Microsoft Entra ID (formerly Azure AD) tenant to view and modify company branding settings.
Create Separate Tenants for Distinct Branding
Because Microsoft Entra ID applies branding globally at the directory level, the only way to apply different branding to a subdomain is by creating a separate tenant for it.
Microsoft Entra company branding is configured exclusively at the directory (or tenant) level. It is currently not possible to set separate logos, background images, or sign-in themes for individual domains or subdomains residing within the same tenant.
To achieve entirely separate branding for a specific subdomain, you must establish a dedicated Microsoft Entra directory and migrate the subdomain's users and resources there.
Assess whether having distinct branding justifies the administrative overhead of managing a completely separate Microsoft 365 or Entra ID tenant.
Log in to the Microsoft Entra admin center, navigate to 'Identity' > 'Overview' > 'Manage tenants', and click 'Create' to establish a new directory.
In your newly created tenant, navigate to 'Custom domain names', add the target subdomain, and verify it using the required DNS records.
Go to 'Identity' > 'Show more' > 'Company branding' in the new tenant. Customize the sign-in page, logo, and background images specifically for this subdomain's users.
Manage Your IT Documentation with WPS Office
While configuring Microsoft Entra ID directories and planning tenant migrations, you need a reliable suite to manage your deployment guides, architecture diagrams, and IT documentation. WPS Office provides a free, lightweight, and highly compatible alternative to Microsoft Office for drafting all your administrative plans.
- 1. Download and install: Download WPS Office for free from the official website and install it on your PC or Mac.
- 2. Create migration documents: Open WPS Writer to draft your multi-tenant architecture and branding strategy documents.
- 3. Save and share: Save your documents in standard .docx or .pdf formats to ensure compatibility when sharing with your IT stakeholders.
Frequently Asked Questions
Can I customize the Microsoft Entra sign-in page per application instead of per domain?
No, the primary sign-in page branding in Microsoft Entra ID is applied globally at the directory level for all applications. While you can customize application icons within the MyApps portal, the initial login screen remains tenant-wide.
What happens to branding if I have multiple verified domains in one tenant?
All verified domains within the same Microsoft Entra tenant will display the exact same company branding settings. A user signing in with user@domainA.com and a user signing in with user@domainB.com will see identical logos and background images.
Where do I configure company branding in Microsoft Entra ID?
You can configure company branding by logging into the Microsoft Entra admin center, expanding the 'Identity' menu, and selecting 'Company branding' to customize your default sign-in experience.
