Tsscan License Expired
If you have encountered the "TSScan License Expired" error, your remote desktop scanning workflow has likely come to a halt. TSScan, developed by TerminalWorks , is a critical tool for mapping local scanners to remote desktop sessions. When the license expires or shows as invalid, the software restricts scanning capabilities, which can be a major bottleneck for businesses relying on terminal servers. Below is a comprehensive guide on why this happens, how to troubleshoot the error, and how to restore your license quickly. Why Does My TSScan License Show as Expired? While TSScan is typically a one-time purchase with no recurring fees, several technical scenarios can trigger an "expired" or "invalid" status: Hardware ID Changes: TSScan licenses are bound to a specific Hardware ID generated by your server. If you move your server to new hardware, upgrade its components, or move to a new virtual machine (VM), the Hardware ID will change, making the old license key invalid. Trial Period Ended: If you are using the evaluation version, the 25-60 day trial period may have simply reached its end. Registry or File Corruption: Third-party registry cleaners or system updates can occasionally delete the required registry entries or license files. User Limit Exceeded: For "Limited" licenses, if more concurrent users connect than the license allows, the additional users will be unable to scan, often appearing as a licensing issue. How to Fix "TSScan License Expired" 1. Transfer Your License to a New Hardware ID If your server hardware has changed, you must transfer the license via the TerminalWorks Customer Portal . Find your new Hardware ID: Log into your terminal server, go to Start -> All Programs -> TerminalWorks -> TSScan Server , and click the License Registration icon to see your unique ID. Log in to TerminalWorks: Use your purchase email to log into the Customer Login . Perform the Transfer: Method 1 (Normal): Use the Deactivation Tool on the old server to get a deactivation code, then enter it into the portal to generate a new license for your new Hardware ID. Method 2 (Emergency): If the old server crashed, you can request an emergency transfer directly through the portal by providing the new Hardware ID and a reason. 2. Re-register the License File Sometimes the license file is present but not being read correctly. Navigate to C:\Program Files (x86)\TerminalWorks\TSScan Server\ on your server. Delete any files ending in .license . Copy the valid license file you received during purchase into this folder. Open the License Registration dialog again to verify it now shows as a paid license. 3. Request a Trial Extension If you are still evaluating the software andterminalworks.com/trial-extension-license">request a free trial extension from the TerminalWorks website. License Extension Request - Terminalworks License Extension Request | Terminalworks. Call us: (407) 567-0096. Terminalworks Purchase TSScan to Scan over Remote Desktop
TSScan License Expired: Causes, Solutions, and How to Prevent Downtime Imagine this: You are in the middle of a critical penetration test or a red team exercise. You have achieved a foothold, enumerated the domain, and are moments away from extracting valuable Kerberos tickets. You type your next command, and the terminal spits back: “TSScan License Expired.” Your heart sinks. The tool is dead. The assessment stops. For security professionals relying on TSScan (a tool often associated with Token Scanning, Kerberos interaction, or specific proprietary security suites), a license expiration isn't just an inconvenience—it’s a wall. This article provides a definitive guide to understanding why TSScan licenses expire, how to resolve the error, and how to architect your workflows so this never happens again.
Part 1: What is TSScan? (And Why Its License Matters) Before fixing the error, we must understand the tool. TSScan typically refers to a utility used in Windows Active Directory environments for:
Token manipulation (impersonation, delegation). Scanning for high-integrity tokens . Interacting with Kerberos tickets (TGTs, Service Tickets). Privilege escalation checks (SeTakeOwnership, SeDebug, etc.). tsscan license expired
In many commercial red-team frameworks or custom C2 (Command & Control) tools, the TSScan module is locked behind a time-based license or a hardware-locked license . This is a common software monetization strategy to prevent unauthorized redistribution. The Anatomy of a "License Expired" Error When you see "TSScan license expired," the software has performed a check against one of three sources:
System Clock: Compares the current date with an embedded expiration epoch. License Server: Calls home to a validation server (common in enterprise tools). Local License File: Reads a .lic , .key , or registry key that has a validity period.
Part 2: Immediate Diagnostics – Why Did This Happen? To fix the problem, you must diagnose the root cause. There are five primary reasons a TSScan license appears expired. 1. The Obvious: Your License Truly Expired Most red-team tools are sold as annual subscriptions. If you purchased TSScan on November 1, 2024, and it is now November 1, 2025, the license is gone. Solution: Renewal. 2. System Clock Drift or Tampering TSScan reads the local system time. If you are: If you have encountered the "TSScan License Expired"
Running in a sandbox/virtual machine that reverted to an old snapshot. Deliberately changed your system time to bypass other software. Experiencing CMOS battery failure (hardware clock resets to 1980/1990).
In these cases, TSScan will think you are operating in the past or future, triggering a false "expired" flag. 3. License Server Reachability (Online Licensing) If TSScan requires online validation and you are on an air-gapped network, a client site with aggressive egress filtering, or the vendor’s activation server is down, the tool may default to "expired" mode as a security posture. 4. Corrupted License File License files can become corrupted due to disk errors, improper shutdowns, or malware (ironically, anti-virus software sometimes quarantines parts of a license file). 5. MAC Address / Hardware ID Change Advanced licenses are bound to a HWID derived from your network adapter’s MAC address or CPU serial number. If you:
Switched from Ethernet to Wi-Fi. Cloned a VM without regenerating MAC addresses. Replaced a network card. Below is a comprehensive guide on why this
TSScan will see a new device and invalidate the old license.
Part 3: How to Fix "TSScan License Expired" (Step-by-Step) Do not panic. Work through these solutions in order of least destructive to most. Step 1: Verify System Time (The 30-Second Fix) Open a terminal (CMD or PowerShell) as Administrator: w32tm /query /status
