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+---
+title: "Update manager configuration"
+type: docs
+description: >
+  Customize the update manager.
+weight: 6
+---
+
+### Properties
+
+To control all aspects of the update manager.
+
+| Property | Type | Default | Description |
+| - | - | - | - |
+| **General** | | | |
+| domain | string | device | The domain of the update manager, used as MQTT topic prefix |
+| domains | string | containers| A comma-separated list of domains handled by the update manager. This configuration option is available only as a flag, but not inside the JSON config file. In JSON config file, the keys inside the Domain agents structure serve as domain names. |
+| phaseTimeout | string | 10m | Timeout as duration string for completing an Update Orchestration phase |
+| rebootAfter | string | 30s | Time period as duration string to wait before a reboot process is initiated after successful update operation |
+| rebootEnabled | bool | true | Enable the reboot process after successful update operation |
+| reportFeedbackInterval | string | 1m | Time interval as duration string for reporting intermediate desired state feedback messages during an active update operation |
+| currentStateDelay | string | 30s | Time interval as duration string for reporting current state messages |
+| thingsEnabled | bool | true | Specify whether the Update Manager will behave as a thing's feature |
+| **Domain agents** | | | Holds a map structure (_agents_) with update agent configurations where each map key is treated as domain name |
+| readTimeout | string | 1m | Timeout as duration string for reading the current state for the domain |
+| rebootRequired | bool | false | Require a reboot for the domain after successful update |
+| **Local connectivity** | | | |
+| broker | string | tcp://localhost:1883 | Address of the MQTT server/broker that the container manager will connect for the local communication, the format is: `scheme://host:port` |
+| keepAlive | string | 20s | Keep alive duration for the MQTT requests as duration string |
+| disconnectTimeout | string | 250ms | Disconnect timeout for the MQTT server/broker as duration string |
+| username | string | | Username that is a part of the credentials |
+| password | string | | Password that is a part of the credentials |
+| acknowledgeTimeout | string | 15s | Acknowledge timeout for the MQTT requests as duration string |
+| connectTimeout | string | 30s | Connect timeout for the MQTT server/broker as duration string |
+| subscribeTimeout | string | 15s | Subscribe timeout for the MQTT requests as duration string |
+| unsubscribeTimeout | string | 5s | Unsubscribe timeout for the MQTT requests as duration string |
+| **Logging** | | | |
+| logFile | string | | Path to the file where the update manager’s log messages are written |
+| logLevel | string | INFO | All log messages at this or a higher level will be logged, the log levels in descending order are: ERROR, WARN, INFO, DEBUG and TRACE |
+| logFileCount | int | 5 | Log file maximum rotations count |
+| logFileMaxAge | int | 28 | Log file rotations maximum age in days, use 0 to not remove old log files |
+| logFileSize | int | 2 | Log file size in MB before it gets rotated |
+
+### Example
+
+An example for configuring the update manager with two domains - `containers` and `custom-domain`, report feedback interval at 30 seconds, and log, written to custom log file `update-manager.log` with
+log level `DEBUG`.
+
+```json
+{
+	"log": {
+		"logFile": "update-manager.log",
+		"logLevel": "DEBUG"
+	},
+	"agents": {
+		"containers": {
+			"readTimeout": "30s"
+		},
+		"custom-domain": {
+			"rebootRequired": true
+		}
+	},
+	"reportFeedbackInterval": "30s"
+}
+```
+
+### Template
+
+The configuration can be further adjusted according to the use case.
+The following template illustrates all possible properties with their default values.
+
+```json
+{
+	"domain": "device",
+	"agents": {
+		"containers": {
+			"rebootRequired": false,
+			"readTimeout": "1m"
+		}
+	},
+	"log": {
+		"logFile": "",
+		"logLevel": "INFO",
+		"logFileCount": 5,
+		"logFileMaxAge": 28,
+		"logFileSize": 2
+	},
+	"connection": {
+		"broker": "tcp://localhost:1883",
+		"keepAlive": "20s",
+		"acknowledgeTimeout": "15s",
+		"username": "",
+		"password": "",
+		"connectTimeout": "30a",
+		"disconnectTimeout": "250ms",
+		"subscribeTimeout": "15s",
+		"unsubscribeTimeout": "5s"
+	},
+	"phaseTimeout": "10m",
+	"rebootAfter": "30s",
+	"rebootEnabled": true,
+	"reportFeedbackInterval": "1m",
+	"currentStateDelay": "30s",
+	"thingsEnabled": true
+}
+```