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New Ops Center Server Restored From Backup to New a Server With New Name/IP (Doc ID 2742469.1)

Last updated on MAY 18, 2021

Applies to:

Enterprise Manager Ops Center - Version 12.4.0 and later
Information in this document applies to any platform.


Customer wishes to move their current Ops Center server to some other server that will have a different hostname and different IP address compared to their current Ops Center server. The customer is planning to use the backup and restore feature for this. Customer has questions about changes required to handle the different hostname and IP address.

The customer followed the following document (which is INCORRECT):

"Enterprise Manager Ops Center Restore an Enterprise Controller and Embedded Database on a New System"

The document states:

About Preparing a New System

Before restoring the Enterprise Controller on a new system, you must verify that the new system is compatible.

To check if the new system is compatible:

The new system must have the same architecture and operating system as the old system. It is recommended that the operating system versions be identical, including updates and SRUs.

The host name of the new system should be the same as the old system. You can change the host name of the new system, provided the old host name is added as an alias host name in the new system.

The IP address of the new system can be different. If the new system has a different IP address, the restore process includes a step to configure any remote Proxy Controllers to use the new Enterprise Controller IP address. The MAC address of the new system can be different.

The new system's Enterprise Controller software version must also match that of the backed up system.

For a regular backup and restore procedure, the IP address and the host name of the new system should match that of the old system. For a disaster recovery procedure, the IP address and the host name of the new system can be different than that of the old system.

Use the following procedure to ensure that the correct version of Oracle Enterprise Manager Ops Center is installed on the new system


Added alias "oldeserver" to /etc/hosts file on the "newserver" which resulted in the following error:




 Customer is attempting to use another server for Ops Center while trying to keep the hostname and IP the same as the Ops Center server being replaced.


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