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Wsvr0026i error occurred while validating product license

wsvr0026i error occurred while validating product license-19

If you get a certificate error at this stage, you have identified the problem as a certificate issue on the backend server.The best practice is to fix the certificate on the backend server, making sure to use a valid certificate.

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And I checked the Microsoft help, it seams that the error was caused by install the windows SP2 with RDP by you last night.If there are errors with loading a license file you can use the web based Autodesk license parser tool to see what features and release versions are enabled in a Flex Net license file: A neat feature of this tool is that it can let you know about important details like “previous version rights” which allow you to run older Maya or Max releases on the render nodes / artist systems with the same floating license file.As for my installation problems, it turns out the Autodesk NLM/LMTOOLS v11.12 release is required to use Autodesk 2015 products!Additionally I cloned my Sp1 drive before installing sp3. HRESULT was 8009001D from line 132 of d:\comxp_sp3\com\com1x\src\events\tier2\Please contact Microsoft Product Support Services to report this error.:) Common Reason My problem was not a dependency error. So, basically, you need to check your MSI file and make sure that all dependencies are still valid.

Probably the best blog response on how you can easily resolve this if it is a dependency issue is .

Recently I assisted a planetarium’s animation studio department as they upgraded their render farm from Autodesk Maya 2014 & 3DS Max 2014 to the newer Maya 2015/3DS Max 2015 releases.

The render nodes were configured to use the Autodesk NLM (Network License Manager) to acquire the floating licenses for Maya, Max, and mental ray.

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This can occur if the certificate used in the signature verification process is not valid, is not stored in the appropriate location, or does not match the certificate used in the signing process.