This policy setting allows you to manage whether a check for new virus and spyware definitions will occur immediately after service startup.
If you enable this setting, a check for new definitions will occur after service startup.
If you disable this setting or do not configure this setting, a check for new definitions will not occur after service startup.
| Registry Hive | HKEY_LOCAL_MACHINE |
| Registry Path | Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates |
| Value Name | UpdateOnStartUp |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |