Method 1: Stop by the option “Do not show me this console at logon”
You can easily stop the automatic launch of Server Manger at logon by checking the option “Do not show me this console at logon” and close the wizard.
Method 2: Stop Server Manager on Startup for All Users via GPO
– Open Group Policy Management Console by running the command gpmc.msc.
– Create new GPO and link it the the appropriate Organizational Unit (OU).
– Edit the policy to configure the settings “Do not display Server Manager automatically at logon“.
– Expand the root Computer Configuration and go to the following node:
Computer ConfigurationAdministrative TemplatesSystemServer Manager
– In right-hand side, select and right-click on the policy “Do not display Server Manager automatically at logon” ,click Edit.
– Check the option Enable and click Apply button.
– Now, close the Group Policy Editor snap-in.
– Update GPO by running the command gpupdate/force.