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I had this device working fine for few days, recently I deployed new image and to tried to enable deployment mode but it keeps throwing below error
error: An unexpected problem occurred. Please try again; if the issue persists, please refer to https://aka.ms/AzureSphereSDKHelp/Device and https://aka.ms/azurespheresupport for troubleshooting suggestions and support.
Then I tried
azsphere device recover
Device recovered successfully. Then ran the below command
azsphere device enable-development
error: An unexpected problem occurred. Please try again; if the issue persists, please refer to https://aka.ms/AzureSphereSDKHelp/Device and https://aka.ms/azurespheresupport for troubleshooting suggestions and support.
What could be wrong? Id the device cornuted?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(313.6, 72%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
Hi @HaBo - What is the version of SDK you are running on the PC? command is azsphere show-version.
Also can you share the azsphere device list-attached command output here?
If both these commands complete successfully, please share the output of azsphere device enable-development --verbose
azsphere show-version
21.04
azsphere device list-attached
1 device attached:
--> Device ID: ceb4066c51dxxxxxxxxx
--> Is responsive: yes
--> IP address: 192.168.35.2
--> Connection path: 123
azsphere device enable-development --verbose
verbose: Azure Sphere Utility version 21.4.1.43553
verbose: Copyright (C) Microsoft Corporation. All rights reserved.
verbose:
verbose: Start time (UTC): Friday, 16 July 2021 12:04:58
verbose: ==> Using Azure Active Directory tenant ID: 'xxxxxxxxxxxxxxxxxxxxxxxxx'.
verbose: ==> Using environment: 'prod'.
verbose: ==> Using Azure Sphere tenant ID: 'xxxxxxxx'.
verbose:
verbose: Reading settings file 'C:\Users\Administrator\AppData\Local\Azure Sphere Tools\settings.json'.
verbose: No SerialSlipToTunService port is set in the registry; defaulting to 48938.
verbose: No SerialSlipToTunService port is set in the registry; defaulting to 48938.
verbose: Using attached device ID 'ceb40xxxxxxxxxx'.
error: An unexpected problem occurred. Please try again; if the issue persists, please refer to https://aka.ms/AzureSphereSDKHelp/Device and https://aka.ms/azurespheresupport for troubleshooting suggestions and support.
trace: System.UnauthorizedAccessException: Access to the path 'C:\Users\Administrator\AppData\Local\Azure Sphere Tools\tokens_rbac.cache' is denied.
I deleted this file, C:\Users\Administrator\AppData\Local\Azure Sphere Tools\tokens_rbac.cache then next time if prompted to login, after login it worked fine.
having --verbose helped me to find the problem and resolve it.