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1. Go to the Settings tab → the Options tab → Special options → Automatic connection.
2. Specify the required settings listed in the table:
   

   Parameter	Value	Description
   Automatic connection parameters
   Username		Enter the username and password for automatic authentication when connecting to the servers. If you leave these values blank, you must log in manually when you start the client Note title Attention! The Cross-System client connects to all servers using a single username-password pair that must be created in each domain (see Cross-System client).
   Password
   Connection timeout		The default value is 15 seconds. Specify the time in seconds to wait for a successful connection before considering the attempt unsuccessful. When you use this setting, an attempt to automatically connect is made immediately. If unsuccessful, the server waits for the user-specified timeout period and then retries to connect. The value must be in the range [5, 300]
   Number of connection attempts		The default value is 1. Set the maximum number of attempts to automatically connect after the specified timeout. The value must be in the range [1, 100]
   Connection type
   Normal connection		Provides connection to one server, while other servers serve as backups. If the main server is unavailable, connections to the backup servers are made sequentially. All servers must be in the same domain
   Cross-system connection		Provides simultaneous connections to several servers that belong to different domains. The main server connects first, followed by other servers (regardless of the availability of the main server). All servers must be in different domains
   Servers for automatic connection
   Select server		Select the server from the drop-down list or enter the IP address of a server
   Port		The default value is 20109. Specify the port to connect to this server. If you leave the field blank, the connection is established via the standard port that is set by default

3. Click the Add button.

Configuration of automatic connection of the client to servers is complete. The next time you start Axxon One, it connects to the selected servers.

Configuration of automatic connection of the client to servers that belong to different domains

Configuration of automatic connection of the client to servers is complete. The next time you start Axxon One, it connects to the selected servers.

Configuration of automatic connection of the client to servers that belong to different domains

When you use the Cross-System client, select the main domain after you add all servers to the list. To select the main domain, set the the Main checkbox in the corresponding column of the server that is on the domain.

When connecting, the client will use the parameters (maps, layouts, user permissions) of the main domain.

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To automatically connect to the backup server if the main server in the N+1 cluster configuration is unavailable:

1. In the Automatic connection parameters group, enter the IP address and port of the main server and the name of the node.
2. Click the Add button.
3. Set the checkboxes in the Main and Via cluster columns.
4. Select a backup server from the list or enter its IP address and node name.
5. If necessary, change the default port for the backup server in the Port field.
6. Click the Add button.
7. Click the Apply  button.

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