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TIBCO iProcess® Engine 11.10.0

# Setting Up DCOM Permissions for a Node Cluster

## Status

If you are... | This task is...
Installing a new iProcess Engine Version 11.10.0 | Optional
Upgrading from an iProcess Engine Version 11.0 or later | Optional

## Database

Oracle, SQL Server

## Description

In a node cluster, iProcess Engine machines communicate by publishing and subscribing to events using iProcess Engine event mechanism. This means that all machines in a node cluster must have permission to instantiate events. To allow this, you must configure the Windows Distributed Component Module (DCOM) facility to allow ANONYMOUS LOGON permissions on each machine.

## Procedure

To set up DCOM permissions, complete the following steps:

| 1. | Log in to Windows as an `administrator` user.

| 2. | Run `dcomcnfg` in the command line window. The Component Services window appears.

| 3. | Double-click the Computers icon to locate the My Computer icon.

| 4. | Right-click the My Computer icon and select Properties from the pop-up menu. The My Computer Properties dialog box appears.

| 5. | Click the COM Security tab. Perform the following steps to set up Access Permissions:

1. Click the Edit Limits... button in the Access Permissions area. The Access Permission dialog box appears.

2. Select the ANONYMOUS LOGIN option from the Group Or User Names list and check the Allow check box for Remote Access in the Permissions for ANONYMOUS LOGON area.

3. Click the OK button to return to the My Computer Properties dialog box.

4. Click the OK button to return to the Component Services dialog box.

5. Exit the Component Services window.

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