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Error 1601 installing Revit/ Revit LT 2018

You are not able to install Revit (or Revit LT) 2018 due to an Error 1601 on theinstallation log file.

Causes:


The installation is failing on the attempt to install ODBCInstallDriver64 because Windows already has ODBC driver installed.

Solution:

A corrected *.msi file, to workaround the problem, can be downloaded and used to replace the existing Revit (or Revit LT) 2018 install *.msi, on downloaded installers or deployments that include Revit/Revit LT 2018, doing the following:

 

Revit 2018

C:\Autodesk\Autodesk_Revit_2018_English_Win_64bit_dlm\x64\RVT\RVT.msi

  • Clear TEMP folder, Turn Antivirus Off.
  • Then run the Revit 2018 installation again from the Setup.exe
Revit LT 2018
  • Please download the RTL.msi file from the box folder: https://autodesk.box.com/s/7cyx545573lqhao56an7vht8rzgn5uil
  • Replace the file on the folder: C:\Autodesk\Revit_LT_2018_G1_R1_Win_64bit_dlm\x64\RLT\RTL.msi
  • Clear TEMP folder, Turn Antivirus Off.
  • Then run the Revit LT 2018 installation again from the Setup.exe
To Manually Correct this issue: 

1) Make a backup copy of the RVT.msi (or RTL.msi) file located here:
  • C:\Autodesk\Autodesk_Revit_2018_English_Win_64bit_dlm\x64\RVT\RVT.msi
  • C:\Autodesk\Revit_LT_2018_G1_R1_Win_64bit_dlm\x64\RLT\RTL.msi

2) Download, install and run Microsoft Orca.

3) Open the RVT.msi (or RTL.msi) file in Orca, search for ODBCDataSource & ODBCDriver and delete the keys below:
REvit 1601 - DSBCDataSource
4) Save the Orca revised RVT.msi (or RTL.msi) file.

5) Clear TEMP folder, Turn Antivirus Off.

6) Run the Revit (or Revit LT) 2018 installation again.

See Also:

Error 1601 installing Revit (or Revit LT) 2017

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