Transporting to a Private Transport Directory 
Use
If a system for which a central transport host is configured is not supposed to transport a central transport directory, then override the default values for this system.
Procedure
If all the systems of a host access a common transport directory, you can override the transport host specified in the domain name server locally.
Enter the following in the local file
<IP address of private> |
<TCP/IP name of private> |
SAPTRANSHOST |

155.56.1.74 |
trans01 |
SAPTRANSHOST |

End the file
Set the parameters