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Each DataMigrator server listens on a unique series of port numbers for connections from the Data Management Console, a web browser, and other IP services. By default, port 8116 is used for TCP services and 8117 through 8119 is used for HTTP services.

To have multiple servers running on the same system, such as the 7.6 and 7.7 servers, they must each have their own unique set of port numbers.

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A new installation means that you will need to recreate or migrate your configuration information. Consider whether you want the new and old installations to use the same database connections. See How to Migrate Configuration Information for instructions on how to migrate the configuration files.

Note: If you choose to migrate configuration information from an older release, you should do so before entering any new configuration settings. This prevents overriding existing configuration information by the migration process.

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If you have installed your new server installation on a different system from the prior release, you may also need to migrate your APPS directories where flows, procedures, and metadata are stored. You may also need to migrate your PROFILES directory, which is where individual user profiles are stored. This can be done by using operating system copy commands or from Explorer on Windows.

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Data Flows and procedures that ran in prior release should run in this release without modification. They will be automatically upgraded to take advantage of new functionality when they are opened and resaved from the DMC.

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If you have scheduled flows, you should consider whether you want the scheduler on both the new and old releases to initiate scheduled flows from the same application directories.

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The Data Management Console (DMC) and Server releases should both be the same. When upgrading the DataMigrator server, the new version of the DMC must also be installed for each user that connects to the server.

Note: Two or more installations of the DMC can be on one PC in order to connect to different server releases.

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To migrate configuration information from a previous release:

1. In the navigation pane of the DMC, expand the server and then expand the Workspace folder.
2. Click Migrate.

   The Migrate dialog box opens.

3. Enter the full path of the configuration instance directory (EDACONF). On Windows, for example, this path is c:\ibi\srv76\dm.
4. Click Migrate.

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If you have a previous installation of DataMigrator Release 7.6 installed on your system, a message like the one below will appear that gives you the opportunity to replace your current installation with Release 7.7.

If you click No, then a new installation is performed, as described above. This the preferred option for most users, as it allows for parallel operation if needed.

If you click Yes, then your 7.6 installation is replaced with a 7.7 installation. You will then have a Release 7.7 installation in a directory identified (by default) as SRV76 but you will not be able to use Release 7.6 unless you re-install it.

In this case, there is no need to migrate your configuration files. However, the DataMigrator Log and Statistics table formats have changed and they must be re-created, as explained in How to Recreate the DataMigrator Log and Statistics Tables.

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1. In the navigation pane of the DMC, expand the server and then expand the Workspace folder. Then, expand the Logs and Traces folder.
2. Right-click DataMigrator Log and Statistics and select Recreate.
3. Click Yes at the confirmation prompt.