Starting TREX
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1. Log on with the user <sapsid>adm.
2. Start the TREX admin tool by double-clicking <TREX_DIR>\TREXAdmin.bat in Windows Explorer.
3. In the TREX admin tool, navigate to the Landscape Services area and then go to the MMC tab.
4. You can start TREX by clicking the SAP System: Start button or by selecting the TREX host, opening its context menu with the secondary mouse button, and selecting the relevant option. You can start Selected Hosts or All Hosts for a landscape.
1. Log on with the user <sapsid>adm.
5. In Windows Explorer, double-click the <TREX_DIR>/TREXSettings.bat batch file to set the environment variables correctly.
6. Go to the <TREX_DIR>/exe directory and enter the following:
startsap.exe name=<SAPSID> nr=TRX<instance_number> SAPDIAHOST =<host>
In the SAPDIAHOST parameter, you specify the host name on which the TREX instance should be started.

startsap.exe name=ABC nr=TRX77 SAPDIAHOST =p123456
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1. Log on with the user <sapsid>adm.
2. Launch the SAP Management console by double-clicking the program icon on your desktop or by choosing Start → Programs → SAP Management Console.
3. In the tree structure, choose the node for the central SAP instance <SAPSID> and navigate to the subnode for the TREX instance <host>_<instance_number> (for example, p123456_77).
4. Use the secondary mouse button to access the context menu.
5. Choose Start.