> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/xsoar-6-administrator-guide/6.13/learn-about-cortex-xsoar/customize-and-configure-cortex-xsoar/manage-data/migrate-data-to-another-server-for-multi-tenant.md).

# Migrate Data to Another Server for Multi-Tenant

The main server has the host server information. The host server has the tenant information and the main server address.

1. In the main server, update the server address to the new server address.
   1. Go to Settings → About → **Troubleshooting**.
   2. In the **External Host Name** field, enter the address of the new main server.

      This information will be sent to all the hosts.
2. In the host servers, verify that the new External Host Name appears.
   1. Go to Settings → About → **Troubleshooting.**
   2. Verify that the address in the **External Host Name** field is the address of the new main server.
3. Install Cortex XSOAR on the servers in the new environment.

   Do not start the Cortex XSOAR service when the installation finishes.
4. Copy the following files and directories from the old server to the new server.

   * **`/var/lib/demisto`**
   * **`/usr/local/demisto/cert.key`**
   * **`/usr/local/demisto/cert.pem`**
   * **`/usr/local/demisto/demisto.lic`**

   For example, for the **`cert.key`** file, type **` scp cert.pem`` `` `*****`<username@NewServerIPAddress>`*****`:`*****`</remote/directory>`***.

   Where **`username`** is the user on the new server and **`NewServerIPAddress`** is the IP address of the new server. The **`/remote/directory`** is the path of the directory you want to copy the file to. If you do not specify a directory, the file will be copied to the user home directory.

   For **`/var/lib/demisto`**, type **`scp -r /var/lib/demisto`** *`<username@NewServerIPAddress>`*`:`\*`</remote/directory>`\*\*\*\*\*.
5. Start the Cortex XSOAR service using the appropriate command for your OS and wait for the server to complete the indexing process.
   * **`systemctl start demisto`**
   * **`sudo service demisto start`**
6. Shut down the machines in the old environment.

**Troubleshooting**

If a host has the wrong main server address after moving, you can resolve this by creating OTC with the following info:

**`Hosts: {main: address}`**

After restart, the host should be updated with the new address.


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