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: Replacing the hard drive or flash media on an x86 system will result in a new Software ID.
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(SoftID) changed—perhaps due to a hard drive swap, formatting, or a VM migration—and you need to link your existing license to that new ID. How to Link or Update Your Software ID mikrotik change software id link
How low-level disk operations (formatting, resizing partitions) can inadvertently trigger a "New ID" generation. MikroTik community forum 3. Practical Solutions for License Continuity RouterOS license keys - MikroTik
This process links the local virtual instance to your cloud account. If the virtual hardware changes and generates a new Software ID, you simply log back into the account via the Winbox Renew menu on the new instance, and your account will automatically transfer the active subscription to the new ID, cutting out the manual replacement request process. Best Practices to Avoid License Loss
Open , go to System -> License , or run /system license print in the terminal. MikroTik community forum 3
The is a unique identifier tied to your device's storage media (HDD, NAND, or flash drive) and serves as the primary link for your RouterOS license. Because this ID is hardware-dependent, it cannot be manually "changed" or edited by the user to match an old license. Instead, when hardware fails or you migrate to a new system, you must link the existing license to the new Software ID through a transfer or replacement process. How to View Your Current Software ID
Look for the field (formatted as an 8-character alphanumeric string, e.g., 43NU-NLT9 ). Via the Command Line Interface (CLI): Execute the following console command: /system license print Use code with caution.
In all these cases, you do not change the ID. You the existing license to the new ID. Best Practices to Avoid License Loss Open ,
Action : You must request a from MikroTik Support or your vendor, usually providing proof of the failed original drive.
You have RouterOS installed on a standard PC (x86). The hard drive dies. You replace it with a new SSD. When you reinstall RouterOS, the Software ID changes because the new drive has a different serial number. Your Level 4 license is now "Unregistered."
Use the "support contact form" or email support@mikrotik.com. Provide the and the New Software ID .
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Replacing a broken HDD or SSD completely changes the system fingerprint.