ANPR questions & answers

Answers for the systems around number-plate recognition.

Practical, vendor-neutral guidance for cameras, NVRs, VMS platforms, access control and metadata integrations.

These are general industry answers, not product support. Setting up ANPR Edge? Read the camera connection guide.

17 answersin Genetec

GenetecVMS

Why does a SharpV G3 fail when powered by an older SharpV PoE injector?

Verify its power source against the G3 requirement.

Genetec: SharpV cannot read plates at night

GenetecVMSAPI

Why do SharpV HTTP events work but HTTPS events fail?

Check TLS certificate validation and endpoint trust.

Genetec: Configure SharpV HTTP/HTTPS extension

GenetecVMS

Why did SharpV anonymized plate identifiers change after a configuration change?

Check whether the anonymization salt changed.

Genetec: Configure SharpV HTTP/HTTPS extension

GenetecVMSAPI

Why are only high-confidence SharpV reads reaching my HTTP receiver?

The extension may apply a confidence filter.

Genetec: Configure HTTP/HTTPS extension

GenetecVMSAPI

Why did queued SharpV HTTP reads disappear when I disabled offline retention?

That setting can delete retained reads.

Genetec: Configure HTTP/HTTPS extension

GenetecVMSAPI

Why does SharpV 14.5 Multi extension resend stored reads to Security Center but not to my HTTP server?

The documented Multi extension has different outage behaviour for its destinations.

Genetec: Configure multiple SharpV extensions

GenetecVMS

Can a SharpV 14.6 camera send different recognized plate datasets to different extensions?

Its extensions share the same ALPR data.

Genetec: About SharpV extensions

GenetecVMS

Why does AutoVu record NOPLATE events even though vehicles are being counted?

A vehicle trigger can occur without a readable plate.

Genetec: Investigating NOPLATE reads

GenetecVMS

Why does editing an AutoVu NOPLATE read change its confidence to 100?

That is the documented behaviour of a manual correction.

Genetec: Investigating NOPLATE reads

GenetecVMS

Why does SharpV read parked vehicles beyond my intended capture lane?

Check character-height limits and the recognition area.

Genetec: Low ALPR read rates or poor quality reads

GenetecVMS

Why did a legacy Patroller hotlist stop updating after its USB drive or source location changed?

The configured source path may no longer exist.

Genetec: Hotlist or permit list does not update automatically

GenetecVMS

Why does replacing a legacy Patroller hotlist file with new content fail to refresh the list?

Check the incoming file’s modification timestamp.

Genetec: Hotlist or permit list does not update automatically

GenetecVMS

Why does adding a plate to a Security Center hotlist fail to create hits for older reads?

Hotlist edits affect new reads; retrospective matching is separate.

Genetec: Editing hotlists

GenetecVMS

Why are AutoVu hotlist hits live on my map but ordinary plate reads are not?

The Web App displays them differently.

Genetec Web App: Monitor ALPR events on maps

GenetecVMS

What should I collect before reporting an AutoVu component connection failure?

Capture the component’s status and diagnostics.

Genetec: Checking AutoVu component status

GenetecVMS

Why does Patroller ignore older reads after I add a new wanted plate?

Past read matching may be disabled or its look-back period too short.

Genetec: Operation — Hotlists tab

GenetecVMS

Why doesn’t Patroller generate a second consecutive hit for the same plate?

Allow consecutive hits may be switched off.

Genetec: Operation — Hotlists tab

Most of these problems come from camera and NVR lock-in.ANPR Edge reads plates from the ordinary IP cameras you already own, on a PC at your site.Check out ANPR Edge

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