You can browse the following URL and place your finger on the reader to troubleshoot the fingerprint related issues:
https://127.0.0.1:8442/api/v1/fingerprint/capture
The service returns the response in the following format:
{"BitsPerPixel":x,"BytesPerLine":xxx,"Dpi":xxx,"Height":xxx,"Image":"<fingerprintdata>","Width":xxx,"captureStatus":"Ok"}.
For example: {"BitsPerPixel":8,"BytesPerLine":256,"Dpi":508,"Height":360,"Image":"<fingerprintdata>","Width":256,"captureStatus":"Ok"}.
The following table describes the different parameters of the response:
|
Parameter |
Description |
|---|---|
|
captureStatus |
Indicates status of capture. Possible values are:
|
|
Width, Height |
Fingerprint image size (width and height) in pixels. |
|
Dpi |
Dots per inch. This is used while matching the fingerprint. |
|
BitsPerPixel |
Bits per pixel. Typically 6 bits. |
|
BytesPerLine |
Bytes per line in image. |
|
Image |
Fingerprint image encoded using the Base-64 format in gray scale. |
This section contains the following fingerprint issue:
Issue: After migrating from Advanced Authentication 5.6 to 6.0, while authenticating with the SecuGen Hamster Pro 20 fingerprint reader an error message Mismatch is displayed on Windows operating system.
Workaround: Perform the following steps:
Open the configuration file C:\ProgramData\NetIQ\Device Service\config.properties.
Add the parameter fingerprint.nbisEnabled=false.
The default value is true.
Save the changes.
Restart the Device Service.
Issue: While enrolling or authenticating with the Nitgen eNBioScan-C1 device if you disconnect the device from a workstation and then reconnect, the device stops workind. Also, the workstation does not detect the device.
Workaround: Restart the workstation after you reconnect the device.