How to Fix Unable to intialize adlm: Internal Error Message: Error Code: <-104> in AutoCAD

If you get a error When you launch an any Autodesk product, the following error message is displayed:

Unable to intialize adlm: Internal Error Message: <Error initializing the Usage tracking component.> Error Code: <-104>

To Fix this issue:

Delete the .data file and allow the software to Auto-Activate.

C:\ProgramData\FLEXnet\adskflex_00691b00_tsf.data
C:\ProgramData\FLEXnet\adskflex_00691b00_tsf.data_backup.001

You may need to manually activate the software.

Start the product from the shortcut on the Desktop, not from some data files of the product.

If the above doesn't help, rename "C:\Program Files\Common Files\Macrovision Shared" folder and reinstall your Autodesk software.

Note: This error could also be caused when LMU.exe is not running. You can start LMU.exe manually by double-clicking the file in C:\Program Files\Common Files\Autodesk Shared\AdLM\  and then the version-specific R folder (e.g. R11).  You may also need to run C:\Program Files\Common Files\Macrovision Shared\FlexNet Publisher\FNPLicenseingService64.exe file so that FlexNet Licensing Service 64 was started.

In addition to this,  make sure to rename the folders  ADUT as ADUT2 in 

C:\Users\<username>\AppData\Roaming\Autodesk\
C:\ProgramData\Autodesk\

Also make sure that the service  FlexNet Licensing Service 64 is set to Automatic by following these steps:

Type services.msc in command prompt

In the list, look for FlexNet Licensing Service 64

Right click on it

In Startup Type, select Automatic

Click Apply and OK

Then Right click again and select Restart

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