Autodesk Revit 2019.1 Update Readme

Thank you for downloading the Autodesk® Revit® 2019.1 Update.

This readme contains the latest information regarding the installation and use of this update. It is strongly recommended that you read this entire document before you apply the update to your licensed copy of Autodesk Revit 2019, either as a standalone product or as part of a product suite, such as Autodesk Building Design Suite 2019, Autodesk Infrastructure Design Suite 2019, or Autodesk Plant Design Suite 2019. After this update is applied successfully, the build number specified on the Help > About dialog will be For reference, you should save this readme to your hard drive or print a copy.

Issues resolved by this update

This update addresses issues and crashes reported directly to Autodesk and contains the fixes included in the Revit 2019.0.1 Hot Fix. Consult the release notes for all areas improved by this update.

Additional software included in this update

With this install the following will be updated: Revit 2019 and Collaboration for Revit 2019.

Known issues after applying this update

If Revit 2019 and Revit LT 2019 are installed side-by-side and the 2019.1 Update is only applied to one of these products, a "Could not load type 'Autodesk.Revit.DB.ICloudExternalServer' from assembly" error will be displayed when launching the non-updated product. To alleviate this error, make sure to apply the 2019.1 Update to both Revit and Revit LT in side-by-side configurations.


  • Who should install this update?
  • Supported operating systems
  • General installation information
  • Installation instructions

    This update is for the following Autodesk products running on all supported operating systems. Be sure to install the correct update for your software.



    Autodesk Revit 2019


    Autodesk Building Design Suite 2019 Ultimate or Premium editions


    (Note that this update will only update the Revit 2019 portion of your suite product.)

    Autodesk Infrastructure Design Suite 2019 Ultimate or Premium editions


    (Note that this update will only update the Revit 2019 portion of your suite product.)

    Autodesk Plant Design Suite 2019 Ultimate or Premium editions


    (Note that this update will only update the Revit 2019 portion of your suite product.)

    Return to top

    This update can be used with the following operating systems:

    • Microsoft® Windows® 7 SP1 64-bit (Enterprise, Ultimate, Professional, or Home Premium)
    • Microsoft® Windows® 8.1 64-bit (Enterprise or Professional)
    • Microsoft® Windows® 10 64-bit version 1607 or higher (Enterprise or Professional)

    Return to top

    Before you begin

    As you prepare to install this update, keep the following in mind:

    Administrative privileges

    In order to apply this update, you must have administrative privileges to install and uninstall products.

    Product media

    Under some circumstances, you may be asked to provide the original installation source.

    If you installed Autodesk Revit 2019 from the DVD or USB, you may be asked to insert the disk or USB during installation of the update. Please have the disk or USB available before starting.

    If you downloaded and installed Autodesk Revit 2019 from the web and later deleted the extracted files (default location of extracted files is C:\Autodesk\WI\Autodesk Revit 2019), the update installation may not be able to continue. In that case, you should follow these steps:

    1. Obtain the web download file and save it to your computer.
    2. Double click the download file and allow it to extract its files, noting where they are being saved.
    3. When the Autodesk Revit installer screen appears, click "Cancel".
    4. Continue with the update installation as described in the installation instructions.

    Backup custom files

    Back up all customized files, such as Revit.ini, before starting.

    Network deployment

    Special command line switches are available for administrators.

    /q - Suppresses the completion message after this update is applied. This is useful if you use a script or batch file to apply this update to multiple computers.

    Return to top

    Apply this update to an existing installation

    Follow these instructions to install this update on a single computer.

    1. Download Autodesk_Revit_2019_1.exe and save it to any folder.
    2. Ensure the original product installation media is available.
    3. Find the folder where you saved the update and double-click the EXE file.

    Return to top

    Apply this update to a deployment installation image

    Follow these instructions to apply this update to a deployment image.

    1. Start the Autodesk Revit 2019 deployment creation process. If you need to add an update to an existing deployment image, launch the update shortcut located in the Tools\ApplyUpdates folder and skip to step 4.
    2. When the deployment creation or modification process is complete and the Deployment Configuration Complete dialog is displayed, click Add Updates.
    3. If a Security Warning dialog is displayed, click Run.
    4. In the Autodesk Application Manager, click Update Software.
    5. Click Add for the update to be applied to this deployment image.
    6. Once the update has been successfully downloaded, click Close to exit the Autodesk Application Manager.

    Return to top

    Uninstall this update

    Note: This update cannot be uninstalled to revert Autodesk Revit 2019 to its pre-update state. If you need to remove the update, please uninstall Autodesk Revit 2019 and then reinstall it.

    Return to top

    Copyright © 2018 Autodesk, Inc.