Verify Your Avigilon Camera's Snapshot Functionality
If your Avigilon camera's snapshot feature has stopped working, this guide provides enterprise-grade troubleshooting steps. Common causes include firmware incompatibility, VMS licensing, and network misconfiguration. The solution involves verifying ACC Enterprise licence status, checking Device Health in Avigilon Control Center, and confirming PoE++ budget allocation on the switch. Follow these steps to restore snapshot functionality swiftly.
Quick Fixes for Avigilon Snapshot Failures
Before diving into advanced diagnostics, perform these 30-second checks:
- Check VMS dashboard: Confirm the camera is marked as online in Avigilon Control Center. A red icon may indicate a snapshot module error.
- Verify PoE link light: On the switch port, ensure the LED shows a solid green (Class 3 or 4 power negotiated). For H6A PTZ models, PoE++ budget must be available.
- Ping the camera IP: Open a terminal and execute
ping[camera_ip]``. If packets are lost, investigate VLAN configuration. - Check status LED: A blinking amber light may indicate firmware update pending or UMD learning period in progress.
- Power cycle via switch: Disable and re-enable the switch port to reset the camera's network stack.
Your Network Configuration Checks
Check VLAN Assignment
Access Network Settings → VLAN Assignment in Avigilon Control Center. Ensure the camera is assigned to a dedicated VLAN with no QoS restrictions. If VLAN tagging is enabled, confirm the switch port is configured for VLAN trunking. Use the Network Diagnostics tool to identify misconfigured ports or IP conflicts.
Validate PoE Budget
For H6A PTZ models, access the switch's Power Allocation Table and verify Class 4 Power is negotiated. If the switch shows Class 0, the camera may be receiving insufficient power. Ensure the PoE++ budget is allocated correctly, especially if multiple H6A PTZ cameras are connected to the same switch.
Test Multicast/IGMP Snooping
If snapshots fail intermittently, check if IGMP Snooping is enabled on the switch. This feature can block multicast traffic from reaching the camera. Disable IGMP Snooping temporarily to test snapshot functionality. If the issue resolves, configure the switch to allow multicast traffic on the camera's VLAN.
Resolve Firmware and Licensing Issues
Check Firmware Channel
Navigate to Firmware Management → Channel Configuration in Avigilon Control Center. Ensure the camera is set to Stable Channel unless testing beta features. If a staged rollout is in progress, check Rollback Status under Firmware History. If the camera is stuck in Pending Update, force a reboot via the Power Management tool in ACC.
Verify ACC Enterprise Licence
If Appearance Search is disabled, enable it under Camera Settings → Analytics. This feature requires an ACC Enterprise licence and an AI appliance. Confirm the AI appliance is connected and the licence is active in Avigilon Control Center. If the licence is expired, contact Avigilon support to renew it.
Confirm Snapshot Scheduler Configuration
Access Snapshot Scheduler in Avigilon Control Center and ensure the camera is included in the schedule. Check the Time Window setting to confirm it matches the intended snapshot period. If the schedule is misconfigured, update the start and end times to align with operational hours.
Root Causes and Prevention
Unusual Motion Detection (UMD) Learning Period
Avigilon's UMD learns normal scene activity over 2-3 weeks and then flags anomalies. During the learning period, snapshots may fail or be inaccurate. Avoid making major scene changes during this time. If UMD is disabled, enable it and retrain the model to ensure accurate snapshot detection.
PoE Budget Exhaustion
If multiple H6A PTZ cameras are connected to the same switch, PoE++ budget may be exhausted. Access the switch's Power Allocation Table and verify that each camera is receiving Class 4 Power. If the budget is exhausted, consider upgrading to a higher-capacity PoE++ switch or reducing the number of H6A PTZ cameras on the same switch.
VMS Database Corruption
If snapshots fail despite correct configuration, check the VMS database for corruption. In Avigilon Control Center, navigate to Storage Health Check and verify that the NVR's storage is functioning properly. If the database is corrupted, perform a VMS database repair using the Storage Management tool in ACC.
Long-Term Maintenance
Firmware Update Schedule
Establish a regular firmware update schedule to ensure all cameras are running the latest stable firmware. Use Stable Channel for production environments and test beta firmware on a subset of cameras before rolling it out to the entire network.
Dedicated Camera VLAN
Implement a dedicated VLAN for all Avigilon cameras to prevent network congestion and ensure reliable snapshot functionality. Configure QoS policies to prioritize video and snapshot traffic on this VLAN.
SNMP Monitoring
Enable SNMP Monitoring on all switches and NVRs to track power consumption, link status, and storage health. Set up alerts for PoE budget exhaustion, snapshot module errors, and UMD learning period completion.
Full disclosure: we built scOS to address exactly this—the complexity of managing enterprise camera fleets across VLANs. scOS uses permanently powered cameras connected via ethernet.