Windows Automatic Logon fails after you upgrade to Drive Encryption 7.2.x
Last Modified: 2024-01-06 09:00:57 Etc/GMT
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Windows Automatic Logon fails after you upgrade to Drive Encryption 7.2.x
Technical Articles ID:
KB91741
Last Modified: 2024-01-06 09:00:57 Etc/GMT Environment
Drive Encryption (DE) 7.2.x
Problem
Windows Automatic Logon fails after you upgrade to Drive Encryption 7.2.x.
Cause
Before DE 7.2.x, the DE credential provider treated the password sync as a subfeature of Single Sign On (SSO). SSO isn’t considered to be enabled if no user logs in at the preboot authentication (PBA) screen. The reason is because there’s no user data to replay at the WinLogon screen. NOTE: You see this issue on the Pre 7.2 tab, in the DE product policy Log on settings section. From DE 7.2.0 and later, SSO and password sync are considered separately. So, enabling password sync enables the DE credential provider to capture the logon details. IMPORTANT:
Solution
You can disable password sync to allow the automatic logon function, but you must also disable all DE policy options that involve the credential provider. The list includes the following:
Disable the password sync option in the Drive Encryption policy by performing the steps below:
Related Information
To enable the Windows Automatic Logon feature, see this Microsoft article.
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