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Introduction
As of Friday, October 26, 2018, Google released Chrome OS 70.0.3538.76 to most Chrome OS devices and it is incompatible with the current Cisco Umbrella Chromebook Client GA version 1.1.1.
Impact
Umbrella Chromebook App will become inactive and fail open. All DNS requests will continue to be resolved without Umbrella security protection and policy enforcement.
The App Console screen will give the error message of "ERR_INVALID_ARGUMENT".
Resolution
The fix for this issue has been released to production as App version 1.1.2. All users will see the app automatically upgrade.
For future reference, here is the app and extension IDs for our beta version which will update with the latest betas. If the customer opts for early access, here is the Chrome Web Store ID:
Cisco Umbrella Chromebook client (App-Beta): jenfeoaahmlnlbppldmjdipmfdliepmo
Cisco Umbrella Chromebook client (Ext-Beta): hgooncgafgjlbcjlejmijfjidfohhnag
Here is the deployment guide: https://docs.umbrella.com/deployment-umbrella/docs/cisco-umbrella-chromebook-client-deployment-guide
If you have any questions or concerns, please contact umbrella-support@cisco.com and one of our support representatives will respond as soon as possible.