Symptom(s)
When using Radio Management (RM) tool to write a configuration to an R7 radio which has previously been upgraded via Wifi programming method, the job will fail and RM will prompt “Error #679 Failed to Write to the device. The device may have been modified outside of the managed database. Please schedule a read operation.” message.
Issue
ROOT CAUSE / DEFINITIVE TEST:
This is due to the discrepancy of the Software Update Management (SUM) date between the value stored in RM and the device software.
Environment
WORKAROUNDS AND CORRECTIVE ACTIONS:
Perform and schedule a READ job without the generation of the configuration as shown in the snapshot below:
After performing the READ job, reassign the original configuration and perform WRITE job to the impacted radio.
Resolution
Any R7 radio with M2022.03 release software or newer will have the solution for this issue.