Knowledge Base Digest - October 2026 | WatchGuard Technologies

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Known Issues

America NDR traffic summary data missing between 21-23 September, 2026
WatchGuard Directory CSV User Import Replaces Accented Characters with Unicode Codes
FSM Bandwidth Meter does not show data for FireboxV after upgrade to WatchGuard System Manager 2026.3
When you rename an interface in Fireware Web UI, it can change multi-WAN interface order
Device certificate imported with Firebox Management API is not visible in WatchGuard Cloud
When you save a Firebox configuration to an existing file with Policy Manager, the overwrite confirmation defaults to No
Cannot configure host routes (/32) through a route-based BOVPN
Cannot enter task name when creating Back Up or Restore Historical Data tasks in Dimension v2.3.1
Outdated patches in Patch Management after installation of a cumulative or feature update with Windows Update or alternative method
Executive Dashboard and Executive Summary Dashboard widgets fail to load for a high volume of data or long time ranges
Client with a DHCP reservation that connects to another network might cause DHCP leases to be abandoned
Deployment fails or MLO does not work when a Firebox subscribes to a template with MLO enabled
Application Control detects HTTPS traffic over BOVPN as Wujie (UltraSurf)
Event ID 1000 error logged in the Windows application event log
Users are not redirected to the landing page after authentication with an ADIPSYS third-party captive portal
FSM Front Panel shows the traffic bar at maximum after upgrade to WSM v2026.3.2
Expanded Microsoft 365 rules in WatchGuard CloudDR require re-authentication
AuthPoint Users Synced from Entra ID are Quarantined and Group Syncs are Missing
Error when saving Support Diagnostics file to a non-default folder in Firebox System Manager (WSM 2026.4)
macOS clients might not resolve internal domain names over Mobile VPN with IKEv2 with split tunneling
IKEv2 profile download fails with 400 OK when shared settings use DH Group 19
In WSM 2026.4, 1-to-1 NAT IP Addresses Appear Truncated When Editing in Policy Manager
WatchGuard Cloud Device Summary widgets and reports fail to load for FireClusters
HTTPS Outbound Content Inspection fails when Proxy Authority (ProxyCA) certificate is 1024-bit key length
Corrupted Japanese Characters appear on Front Panel of Firebox System Manager in WSM 2026.4

Filed under: Support Alerts

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ConnectWise Cloud Backup: Action Recommended for Microsoft 365 Tenants

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ConnectWise Cloud Backup: Action Recommended for Microsoft 365 Tenants

Following ConnectWise’s disclosure of unauthorized access to its Cloud Backup app on 16 October, our SOC has been reviewing customer environments and helping partners contain exposure.

If you use ConnectWise Cloud Backup with Microsoft 365, we recommend:

✅ Disable the affected ConnectWise enterprise app IDs in Entra ID
✅ Review sign-in and account activity from 144.172.64[.]128
✅ Check for unexpected privilege escalation on related accounts
✅ Watch for ConnectWise guidance before re-enabling

WatchGuard MDR customers: we’ve already alerted you to any privilege escalation tied to these accounts.

Full details and App IDs here: WatchGuard Support Center

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