Error message "Failed to fetch Discovered Device List null" Remote device discovery failure.

Products

• Embedded Security Critical System Protection

Issue/Introduction

Device discovery fails with a popup error message of  "Failed to fetch Discovered Device List null".

Cause

The Root cause behind this issue is incorrect DHCP configuration of System were DHCP is enabled but seems to be configured incorrectly as (DHCP obtain date and expiry date is null which is incorrect).

After deleting this incorrect entry from SESCSP_COMPUTER issue got resolved.

Resolution

Remove the system with the bad configuration from the database, if customer does not use DHCP you can use this to remove all DHCP systems from the database. Please back up the database before running a delete against your database:

delete from SESCSP_Computer where DHCP_ENABLED = 1;