Cisco Umbrella incident
Umbrella - SRV record resolution failures affecting LDAP and Kerberos - North America and India
Resolved after 18 hours 13 minutes, affecting Virtual Appliance, on May 13, 2026.
The issue affecting SRV record resolution for LDAP and Kerberos services has been resolved. Customers should no longer experience authentication issues, including intermittent login failures or problems accessing domain resources that rely on LDAP or Kerberos. All services are operating normally. We’re Here to Help If you have any questions or need assistance, please contact our support team.
Affected components
Update timeline
- investigating May 13, 2026, 11:32 PM UTC
We are investigating a potential issue involving SRV record resolution failures affecting LDAP and Kerberos services. Customers may experience intermittent login failures or be unable to access domain resources that rely on LDAP or Kerberos authentication. We appreciate your patience and understanding during this time.
- monitoring May 14, 2026, 02:44 AM UTC
The intermittent authentication issues affecting LDAP and Kerberos services are no longer being observed. We continue to actively monitor these services to ensure ongoing stability and performance.
- resolved May 14, 2026, 05:45 PM UTC
The issue affecting SRV record resolution for LDAP and Kerberos services has been resolved. Customers should no longer experience authentication issues, including intermittent login failures or problems accessing domain resources that rely on LDAP or Kerberos. All services are operating normally. We’re Here to Help If you have any questions or need assistance, please contact our support team.
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