Disclaimer: This article is for informational purposes only. ManageEngine and OpManager are trademarks of Zoho Corporation. Always refer to the official licensing agreement for legal terms.
Yes, but you must deactivate it first. In the old server, go to Licensing → Deactivate License. Then, on the new server, reactivate using the same key. If the old server is offline, contact ManageEngine support to revoke the previous activation. Manageengine Opmanager License Key
Even with a valid key, activation can fail. Here are the most frequent problems and solutions. Disclaimer: This article is for informational purposes only