After the Microsoft System Center 2012 Configuration Manager (ConfigMgr 2012 or ConfigMgr 2012 R2) Client Service (Ccmexec.exe) is restarted, the status of task sequences or programs may incorrectly switch from Waiting for the next available maintenance schedule to Waiting to install in Software Center. This issue occurs only for packages that have a maintenance window that is set to run in the future.
If you experience this problem, a supported hotfix is available from Microsoft Support to address this issue. For complete details please see the following:
3169945 – Task sequences or programs have an incorrect status in System Center 2012 Configuration Manager (https://support.microsoft.com/en-us/kb/3169945)
J.C. Hornbeck, Solution Asset PM
Microsoft Enterprise Cloud Group