Troubleshooting installation issues in Backup Exec
If you have problems with .NET installation review the following points.
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If the .NET 4.8 installation fails, try to install it manually before you retry installation of Backup Exec. This helps to isolate any issues from Backup Exec such as, issues with Microsoft's .NET installer or any environmental issues.
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The BKUPINST21.htm file logs any errors that occur during the .NET installation. However, detailed logs are available in .Net 4.8 setup logs, which are available at %temp% folder and the file name are Microsoft .NET Framework 4.8 Setup_.html, Microsoft .NET Framework 4.8 Setup_.txt, and dd_ndp48-x86-x64-allos-enu_decompression_log.txt.
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