KBI 312012 Cloud Control Language CCL Fails To Execute With Error Code Of AADSTS1002016


All Versions of Argent AT


Monday, 5 September 2022


Azure PowerShell script failed to run with the following error:

AADSTS1002016: You are using TLS version 1.0, 1.1 and/or 3DES cipher which are deprecated to improve the security posture of Azure AD

Technical Background

From Monday, 31 January 2022 Azure must use TLS 1.2 secure protocol, not the earlier TLS 1.1.

More information can be found in the URL below.



Ensure TLS 1.2 is correctly installed.

Customer can execute Argent-provided PowerShell scripts to check readiness.

Enable TLS 1.2
One Time Install TLS 1.2
Check TLS 1.2
Machine with TLS 1.2 Correctly Installed