Make sure that agents can use content originating from any ePO - On-prem server in your environment using Server Settings.
The server signs all unsigned content that is checked in to the repository with the Main Repository private key. Agents use repository public keys to validate content that is retrieved from repositories in your organization or from Trellix source sites.
The Main Repository key pair is unique for each installation of ePO - On-prem. If you use multiple servers, each uses a different key. If your agents can download content that originates from different Main Repositories, you must make sure that agents recognize the content as valid.
You can complete this process in two ways:
Use the same Main Repository key pair for all servers and agents.
Make sure that agents are configured to recognize any repository public key that is used in your environment.
This task exports the key pair from one ePO - On-prem server to a target ePO - On-prem server, then, at the target ePO - On-prem server, imports, and overwrites the existing key pair.
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On the ePO - On-prem server with the Main Repository key pair, select Menu → Configuration → Server Settings, select Security Keys from the Setting Categories list, then click Edit.
Next to Local main repository key pair, click Export Key Pair, then click OK.
In the File Download dialog box, click Save.
Browse to a location on the target ePO - On-prem server to save the .zip file. Change the name of the file if needed, then click Save.
On the target ePO - On-prem server where you want to load the Main Repository key pair, select Menu → Configuration → Server Settings, select Security Keys from the Setting Categories list, then click Edit.
On the Edit Security Keys page:
Next to Import and back up keys, click Import.
Next to Select file, browse to and select the main key pair file you saved, then click Next.
If the summary information appears correct, click Save. The new main key pair appears in the list next to Agent-server secure communication keys.
From the list, select the file you imported in the previous steps, then click Make Main. This setting changes the existing main key pair to the new key pair you imported.
Click Save to complete the process.