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KB - Add account operation is blocked by policy on the device

· 1 min read · Knowledgebase

This is a knowledgebase item. Hope it helps you out someday.

Error#

Add work or school account in Windows 10 or 11 fails with this message: “add account operation is blocked by policy on the device”. Error code: CAA50101

Windows account setup displaying the device policy error message

Solution#

Check the value of Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WorkplaceJoin\BlockAADWorkplaceJoin

Change the value to 0.

Windows Registry Editor showing the workplace join policy value

If this device is managed by your organization, you might not able to change this. Please contact your administrator, if that is the case.

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