Eve License | Host Error (97) Link
If these steps do not resolve the issue, you may need to re-host your EVE-PRO license on a fresh installation, ensuring that only one instance of that license is active at a time.
The is a common issue encountered by users of EVE-NG Professional (PRO) . It typically indicates that the EVE-NG virtual machine (VM) has not successfully received or validated its license token from the central licensing server. eve license host error (97)
Licensing tokens often rely on precise timestamps. If your server's clock is significantly ahead of or behind UTC, the validation may fail. If these steps do not resolve the issue,
: Do not have more than one EVE host with the same license turned on at the same time, as this can cause licensing conflicts. Licensing tokens often rely on precise timestamps
If the error persists, collect the following information and contact :
To understand the gravity of Error 97, one must first appreciate the architecture of EVE-NG. Unlike standard consumer software, which might rely on a simple serial key or an online account login, EVE-NG’s professional licensing is deeply tied to the hardware on which it resides. The platform generates a unique identifier—often referred to as a "Host ID" or UUID (Universally Unique Identifier)—based on the specific hardware characteristics of the server, such as the MAC address of the network interface card or the system’s DMI data. This "fingerprinting" ensures that a single license cannot be trivially copied across multiple machines. The system is designed to be secure, but that security relies on the consistency of the underlying hardware abstraction layer.
Resolving Error 97 requires a methodical approach rooted in the restoration of hardware consistency. The immediate remediation step is usually to verify the current Host ID within the EVE-NG bash shell and compare it against the Host ID stored in the license file. If the IDs differ due to a migration, the solution is administrative rather than technical: the user must contact EVE-NG support or their vendor to revoke the old license and generate a new one based on the new Host ID. This process, while sometimes tedious, is a necessary safeguard to maintain the integrity of the software’s commercial model. In other instances, ensuring that the hypervisor settings—specifically the "Host UUID" or network adapter settings—are static and unchanged can prevent the error from recurring.