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