我在P550的AIX6.1无法安装Sybase15.7，求解

我在P550的AIX6.1安装Sybase15.7时出现如下错误提示，在AIX5.3版安装sybase 12.5也都反复尝试过，都无法安装，谢谢各位大侠！

Port number '5000' is being reserved or currently in use by a running server.

Building Adaptive Server 'AIXMK':

Writing entry into directory services...

Directory services entry complete.

Building master device...

Task failed

Server 'AIXMK' was not created.

Could not load program dataserver:

Symbol resolution failed for dataserver because:

Symbol CreateIoCompletionPort (number 554) is not exported from dependent

module /unix.

Symbol GetMultipleCompletionStatus (number 555) is not exported from dependent

module /unix.

Symbol PostQueuedCompletionStatus (number 556) is not exported from dependent

module /unix.

Symbol ReadFile (number 557) is not exported from dependent

module /unix.

Symbol WriteFile (number 558) is not exported from dependent

module /unix.

Examine .loader section symbols with the 'dump -Tv' command.