Attempt to start a session during a flash write

Symptom

With some client software, an error message similar to this appears on the client console:

Received disconnect from 10.0.12.31: 2: Flash access in progress
lost connection
Cause

If you attempt to start an SCP (or SFTP) session while a flash write is in progress, the switch does not allow the SCP or SFTP session to start.

Action
Wait a few seconds for the flash writing to finish and then try again.