How to Block More Microsoft Accounts on Windows 10

With a user account on Windows 10 product key, you will have some customizations to manage individual Microsoft accounts. Users can log in to multiple Microsoft accounts and manage them between accounts. However, with shared computers, you need to restrict multiple sign-on, and may prevent other people from logging in to your Microsoft account. So people can not log their accounts into the computer anymore. The following article will guide you to block more Microsoft account into Windows 10.
Instructions for blocking more Microsoft Windows 10 accounts
Step 1:
Click the Start button and click on Windows Administrator Tools, then Local Security Policy.
Step 2:
In the Local Security Policy interface, click on Local Policies> Security Options in the list on the left.
Then look to the right to the Accounts: Block Microsoft accounts.
Step 3:
Appears dialog setup interface. There are two options you need to care about with different content.
Users can not add Microsoft accounts: Users can not add Microsoft office 2010 product key accounts.
Users can not add or log in to Microsoft accounts.
To restrict others from logging into Microsoft account in Windos 10, select Users can not add Microsoft accounts, click Apply to save.
If you select Users can not add Microsoft accounts then we will have the following permissions:
* Prevents adding new Microsoft (MS) accounts on your computer while using your old MS account.
+ Can not switch Local Account (account local) to MS account.
+ User will not be able to connect an existing account in the organization to the MS account.
With the option Users can not add or log on with Microsoft accounts will have the following features:
+ Prevent adding new Microsoft accounts on your computer when using your old Microsoft account.
+ Can not switch Local Account (account local) to Microsoft account.
+ Can not connect an existing account in the organization to a Microsoft account.
+ Existing Microsoft account users will not be able to log on to Windows product key.
Administrators (User is using a Microsoft account) will not be able to log into the Windows 10 system.
Also, in case you can not add a Microsoft account to Windows 10 then you can check the above. It's possible that the user has accidentally activated a login-disabled mode, or added a Microsoft account to Windows 10.