Installation and User's Guide

node. If the server specifies SESSIONINITiation=clientorserver, the default,the client can decide which method to use. If the server specifiesSESSIONINITiation=serveronly, all sessions are initiated by the server.Note:1. If sessioninitiation is set to serveronly, the value for the tcpclientaddressclient option must be the same as the value for the HLAddress optionof the update node or register node server command. The value for thetcpclientport client option must be the same as the value for theLLAddress option of the update node or register node servercommand.2. If you set the sessioninitiation option to serveronly, with the exceptionof CAD-managed schedulers, the command-line client, backup-archiveclient GUI, and Web client GUI still attempts to initiate sessions, but areblocked by the Tivoli Storage Manager server for nodes that have thesessioninitiation option set to serveronly.3. When installing Tivoli Storage Manager scheduler using the setupwizard, and the Tivoli Storage Manager server is behind a firewall, thenode password will not get stored on the client workstation. As aresult, the scheduler service might be unable to authenticate to theserver when the server contacts the client to run a schedule. In thiscase, you can run the scheduler from the command line (dsmcschedule), wait until a scheduled operation starts, and enter thepassword for your node when prompted.4. When installing Tivoli Storage Manager scheduler using the setupwizard or dsmcutil, and the Tivoli Storage Manager server is behind afirewall, the node password will not get stored on the clientworkstation. As a result, the scheduler service might be unable toauthenticate to the server when the server contacts the client to run aschedule. In this case, you can run the scheduler from the commandline (dsmc schedule), wait until a scheduled operation starts, and enterthe password for your node when prompted. After you enter thepassword for your node, restart the scheduler service. You can also usethe following dsmcutil command to write the password into theregistry:dsmcutil updatepw /node:nnn /password:ppp /validate:noIf sessioninitiation option is set to serveronly in your client options file(dsm.opt), the client setup wizard and scheduler service is unable toinitiate authentication with the Tivoli Storage Manager server. To avoidthis problem, when configuring the client scheduler using the setupwizard, ensure that the Contact the TSM Server to validate passwordcheckbox on the TSM Authentication page is unchecked.A similar problem can occur if an encryption key is required for backupoperations. In this case, you can run the scheduler from the commandline (dsmc schedule), wait until a scheduled backup starts, and enterthe encryption key when prompted. After the password and encryptionkey are updated, you must restart the scheduler.5. When configuring the Tivoli Storage Manager scheduler on a clientworkstation for the first time, the scheduler service might be unable toauthenticate to the server when the server contacts the client schedulerto run a schedule. This can happen when the passwordaccess is set togenerate and the Tivoli Storage Manager server is behind a firewall andthe encrypted password cannot be locally stored before the scheduler isstarted. To correct this problem, you need to run the scheduler from the26 IBM Tivoli Storage Manager for Windows Backup-Archive Clients: Installation and User's Guide