Delete SCE Managed Computers Group from Active Directory
Start > Run > dsa.msc
Right-click on DomainName
Type SCE Managed Computers into the Name box and click Find Now
Right-click SCE Managed Computers in the results pane and click Delete
Close Active Directory Users & Computers
Delete Group Policies
If you performed a default installation of System Center Essentials you will have two group policy objects that were automatically created for you. Follow these steps to delete the group policies.
Start > Run > gpmc.msc
Expand DomainName
Right-click SCE Managed Computers Group Policy (…) and click Delete
Right-click System Center Essentials All Computers Policy and click Delete
Close Group Policy Management Console
Delete Service Connection Point (SCE)
The following procedure requires ADSI Edit.
Start > Run > adsiedit.msc
Right-click ADSI Edit in the left pane and click Connect…
Select Default naming context in the Select a well known Naming Context box and click OK
Right-click Default naming context in the left pane and select New > Query…
Type SCESCP in the Name box
Click the Browse… button, select DomainName
Paste (&(objectCategory=serviceConnectionPoint)(cn=SCESCP)) into the Query String box and click OK
Highlight and then expand Default naming context in the left pane
Select SCESCP in the left pane
Right-click CN=SCESCP in the middle pane and click Delete
Leave ADSI Edit open for the next step
Delete Service Connection Point (SDKServiceSCP)
Right-click Default naming context in the left pane and select New > Query…
Type SDKSCP in the Name box
Click the Browse… button, select DomainName
Paste (&(objectCategory=serviceConnectionPoint)(cn=SDKServiceSCP)) into the Query String box and click OK
Highlight and then expand Default naming context in the left pane
Select SDKSCP in the left pane
Right-click the appropriate CN=SDKServiceSCP entry in the middle pane and click Delete
Identifying the appropriate entry to delete in step 7 above requires finding the entry that corresponds to the name of the SCE server to be removed. Look at the distinguished name column in the middle pane to locate the right computer name.