> Knowledge Base Digest - February 2026

Articles Error when you move a configuration to a new Firebox model Error message when saving configuration from a wireless Firebox with single radio to a wireless Firebox model with dual radios Firebox allows VPN connection before Network Access Enforcement rejects the connection ThreatSync+ NDR log data retention period Disable a FireCluster or remove a Firebox from a FireCluster to be a standalone device After AP130 or AP330 downgrade from access point firmware v3.1 to v2.7, SSIDs do not broadcast and Airspace Monitoring stops working AuthPoint Agent for RDWeb fails to install with an Error Message That Says RD Web is Not Installed Office 365 login fails with an error that says Sign-in blocked by federated token validation policy How access points managed in WatchGuard Cloud scan and choose channels with automatic and dynamic channel selection New AuthPoint users do not receive the token activation email New features, enhancements, and stability and performance improvements in firmware v3.1 for AP130 and AP330 devices Updates to WatchGuard Endpoint Security product names on 1 April 2026 Known Issues Default WatchGuard Authentication Policy for fully-managed Firebox reverts to default settings after you edit and save the policy Staggered reboot times conflict when access points are unsubscribed and re-subscribed to an access point site  DHCP reservation MAC addresses with uppercase characters do not work Mobile VPN with SSL Client v2026.1 SAML connections fail Firebox T145 repeatedly reboots after the installation of Fireware v2026.1 FireCluster primary cluster interface shows down in the Web UI system status on wireless Fireboxes Endpoint Security PSANHOST.EXE service crashes after Sleep, Suspension, or Hibernation state The MDR Services toggle in WatchGuard Cloud incorrectly shows as disabled Endpoint Security BSOD caused by NNSHTTP.sys Endpoint Security BSOD caused by NNSPRV.sys Endpoint Security local console crashes due to certain .NET parameters BSOD on VPN servers caused by endpoint protection network interception drivers Dell Pro Max 16 laptops with IPSec Mobile VPN Client installed lose Internet access after reboot Elevated fan noise on M395, M495, M595, and M695 Fireboxes Cannot download support snapshot for a FireCluster from WatchGuard Cloud Bandwidth Meter shows network traffic spikes on Firebox network interfaces Content Inspection with an ECDSA Proxy Authority certificate triggers Firefox NSS error: "SEC_ERROR_REUSED_ISSUER_AND_SERIAL" SNMP queries for Policy MIB OIDs fail with a large number of policies Unexpected results in WatchGuard Cloud Log Search when search criteria includes a wildcard character ThreatSync+ NDR "Unexpected Inbound Connection" false positive policy alerts