According to this Symantec KB Article it is not possible to install licenses that start in the future.... To overcome this behavior you could simply create a scheduled task which copy´s the License Files (*.SLF Files) on your SMP Server to: C:\ProgramData\Symantec Shared\Licenses. This does not work with .txt File Licenses! License file that are … Weiterlesen Symantec Installation Manager does not install license with starts date in future →