| Error Code | Message | Solution | | :--- | :--- | :--- | | 401 | Invalid License Signature | Re-copy the key manually; avoid extra spaces. | | 403 | Activation Limit Reached | You have installed this key on too many servers. Deactivate the old server first. | | 500 | SQL Timeout | Your database is slow. Restart SQL Server (MSSQLSERVER) service. | | N/A | Key Revoked | Your subscription expired or payment failed. Contact billing. |
Once you have downloaded the Lansweeper installer, the licensing step occurs during installation or via the web interface post-install.
Your license key unlocks the ability to track software usage, not just installations. Go to Reports > Software > Unused Software to identify applications nobody launches and remove them, saving on SaaS licenses. lansweeper license key
If you are moving from Free to Pro, or your key expired:
Lansweeper does not constantly phone home, but compliance is enforced via: | Error Code | Message | Solution |
Common violation scenarios:
Consequence: Permanent key revocation and requirement to repurchase at full list price. Once you have downloaded the Lansweeper installer, the
Lansweeper does not instantly shut down. Instead, it enters a "Grace Period" (usually 30 days). During this time:
Searching for a "Lansweeper license key" on Google or Reddit often leads to dangerous territory—torrent sites or keygens. Do not go there. Not only do cracked keys violate software licensing agreements (and potentially criminal laws), but they are frequently embedded with malware designed to backdoor your IT network.
Here is the safe, legitimate path to obtaining your key: