When you start AutoCAD (or a related Autodesk program), you receive a license error 0.0.0 that indicates a valid license could not be obtained by the network license manager. The issue may be caused by a corrupt file called CascadeInfo.cas.
If the CascadeInfo.cas file is corrupt due to a power failure or any reason, cascading functionality will not be available. This issue only applies to network licensed products and does not affect stand-alone licensed products. You must delete this file before starting AutoCAD.
To prevent this problem from happening again, add the following code to the acaddoc.lsp file.
(vl-load-com)
(if (setq cascadeinfo (findfile (strcat (getenv "ALLUSERSPROFILE") "Application DataAutodeskAdlmCascadeInfo.cas")))
(vl-file-delete cascadeinfo)
)
Notes from Cadalyst tip review R.K. McSwain: This is a solution to a fairly obscure issue, but if it happens to you, you'll be glad you ran across this tip. The issue is further explained in the following Autodesk knowledge base documents. Note that this issue affects products other than AutoCAD, such as Revit or Inventor.
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