Microsoft Email Disruption Affecting Bullhorn Login Verification

Microsoft is experiencing a widespread email service disruption that is preventing some Bullhorn users from receiving their login verification codes. This topic explains your options for accessing Bullhorn and how Bullhorn administrators can update a user's email address.

We understand how disruptive this is, particularly for customers who depend on Bullhorn to run their businesses.

We will not disable multi-factor authentication (MFA). This protection prevents someone who has obtained your password from accessing your company's sensitive information. Keeping it enabled is particularly important following the recent security incident.

Options for Accessing Bullhorn Without a Verification Code

If you're not receiving a verification code, use one of these options:

  • Stay signed in: Continue using your existing Bullhorn session and keep it active to avoid a session timeout.
  • Use single sign-on (SSO): Use your normal SSO login, provided your company's authentication service is working.
  • Use another approved email address: If your Bullhorn administrator is still logged in, they can update your account to use a different, secure email address approved by your company. Your login verification codes will then be sent to that address.

  • Personal email addresses, such as Gmail or Yahoo, are not supported.

    You can only change to a domain that is already tied to your Bullhorn account. If you need to use a new domain, contact Bullhorn Support. Only domains owned by customers can be added as a primary email or alias. Bullhorn Support will verify domain ownership.

Update a User's Email Address for Login Verification Codes (Administrators)

Bullhorn administrators can change the email address that receives a user's login verification codes.

  1. Go to Menu > Admin > Users.
  2. Find the affected user and click the Edit (pencil) icon at the start of their row.

    Don't click the user's email address. Clicking it opens a new message instead of the user record.

  3. Under Email Settings, update Primary Email to an approved address.
  4. Click Save.

Service Updates on the Microsoft Email Disruption

For the latest information on Microsoft's service disruption, monitor Microsoft's recovery efforts on the Microsoft 365 service status page.

Protecting your company's information remains our highest priority.