The Autodesk Network License Not Available Error [-8.544.0] typically occurs when the client machine cannot successfully retrieve a license from the server. This is often due to an incorrect license type assignment, server-side restrictions, or local registry errors. Quick Fix Guide: Error [-8.544.0] 1. Verify and Reset License Type
If you are assigned a "Single-User" (Named-user) license but the software is trying to launch as "Network," this error will trigger.
Log in to your Autodesk Account and verify your assigned license type.
If it is a Single-User license, you must reset the license type. Use the Autodesk Licensing Support Tool to switch the method from "Network" to "User" or "Sign In". 2. Clear the Local Registry Value
Incorrect values in the Windows Registry can point your software to a non-existent license server. Open the Registry Editor (regedit.exe).
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\FLEXlm License Manager Locate and delete the ADSKFLEX_LICENSE_FILE value.
Restart your Autodesk software; it should prompt you to enter the correct server name. 3. Check Server-Side Options File autodesk network license not available error 8.544.0
If your organization uses a Multi-user license with an Options File (adskflex.opt), you might be restricted from accessing certain products.
Ask your IT administrator to check the adskflex.opt file on the server.
Ensure your username or computer name is included in the INCLUDE list for the specific product you are trying to use. 4. Address Version Incompatibility
For Autodesk 2020 and newer, the license manager on the server (LMTOOLS) must be version 11.18 or higher.
On the server, open LMTOOLS and go to Help > About to check the version.
If it is outdated, download the latest Autodesk Network License Manager and upgrade the server. 5. Technical Permissions Fix The Autodesk Network License Not Available Error [-8
Corruption in local registration data can also cause this error. Navigate to C:\ProgramData\Autodesk\Adlm.
Right-click ProductInformation.pit > Properties > Security > Advanced. Click Enable inheritance and then OK.
Still having trouble? You can use the Autodesk Assistant to raise a support case. Be sure to provide a screenshot of the error and your server's Perform Status Enquiry log from LMTOOLS. 8" "Error [-8.544.0]" when launching Autodesk software
The most comprehensive technical resource for resolving Error [-8.544.0] official Autodesk support article
. This specific error typically indicates that your Autodesk software is unable to retrieve a license from the Network License Manager (NLM). Common Causes & Solutions Incorrect License Type
: Your user account may be assigned a single-user license, but the software is trying to find a multi-user (network) license. Verify your assignment in the Autodesk Account and reset the license type if necessary. Registry Mismatches Reinstall NLM on server (backup license file first)
: A wrong value in the Windows Registry can point the software to a non-existent license server. Delete the ADSKFLEX_LICENSE_FILE value located under HKEY_LOCAL_MACHINE\SOFTWARE\FLEXlm License Manager
to prompt the software to ask for the correct server on next launch. Options File Restrictions : If your administrator uses an options file ( adskflex.opt
), your username or machine might be excluded or not explicitly included in the list for that product. Server Downtime or Expiration
: The most basic cause is that all available licenses are checked out, the license has expired, or the license server service itself is down. Specific Troubleshooting Steps Check LMTOOLS Version : Ensure your server is running the latest version of (v11.18 or higher is often required for 2020+ products). Verify Licensing Service : On the client machine, ensure the Autodesk Desktop Licensing Service
is running and set to "Automatic" in the Windows Services menu. Firewall Exceptions : Confirm that the necessary ports (typically 27000-27009 ) are open on both the server and client firewalls. Linux Specifics (Maya)
: For Maya users on Linux, this error can occasionally be tied to graphics driver issues; upgrading or reinstalling the driver may resolve it.
For a quick visual walkthrough of these fixes, you can refer to community-sourced guides like this detailed troubleshooting video Autodesk Licensing Support Tool 8" "Error [-8.544.0]" when launching Autodesk software
lmstat -a -c @serverEnsure your network team knows that ports 2080 and 27000-27009 must remain open between clients and the license server. Create a firewall rule group called "Autodesk Licensing" for easy auditing.
Server Config tab to ensure it's correctly set up and the license file is properly loaded..lic file from Autodesk Account every year before renewal.lmstat -a in a scheduled task to log license usage.lmgrd stops.