Microsoft MS15-011 patches of windows Server 2003 are not available in PRC.
Windows Server 2003 updates of MS15-011 bulletin are not released from Microsoft.
Following updates needs to be released from Microsoft inorder to be included in PRC.
Ensure that firstly the updates are released by the vendor to be able to download in PRC.
7.1.1, 7.1.2, 7.5, 7.5.1