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TIBCO GridServer® 7.1.0

# Reconfiguring the Engine Communication Port

By default, the Manager uses port 8000 for communication with Engines. This port can be changed, but you must also change Engine configurations to log in at the new port.

Warning | If you reconfigure the Manager's messaging port prior to updating an Engine’s configuration, the Engine is no longer able to reach the Manager. Consequently, Engines can not log in after the Manager Reconfigure process, and you must re-install them. To avoid this issue, change the port used for Engine communication first.

To change the port used for Engine communication:

| 1. | Go to Grid Components > Engines > Daemon Admin.

| 2. | Select Configure All Daemons from the Global Actions list.

| 3. | Change the Primary Director property to the URL with the new port.

| 4. | All Engine Daemons then log off and no longer appear in the Daemons list.

| 5. | Edit the `server.xml` file in the base directory location defined in DS_DATA. (If DS_DATA is not defined, the file is in `TIBCO_HOME``\manager-data\conf` for Windows, or `TIBCO_HOME``/manager-data/conf` for UNIX.)

| 6. | To change the messaging port, replace the value of 8000 in the following line:

`<Connector port="8000"`

| 7. | Restart the Manager. After restart, all Daemons reappear in the Daemons list.

| 8. | Go to Grid Components > Engines > Daemon Admin, select Configure All Daemons, and change all Primary Director URLs back to “default”.

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