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Installing Talend Data Preparation manually

This procedure contains the steps to manually install Talend Data Preparation on your machine.

Before you begin

  • There are no other instances of MongoDB installed on your machine.
  • If you want to benefit from Talend Dictionary Service to display, create, or update semantic types in Talend Data Preparation, download the latest MinIO version from the Downloads page and follow the MinIO documentation for installation, or install an S3 repository.
  • Before installing Talend Data Preparation, make sure that you fulfill the hardware and software requirements. For more information, see Hybrid software requirements.


  1. Download a MongoDB instance from the Download center and install it.
    For more information on how to install it, see MongoDB documentation.
    If you want to secure connections with MongoDB using SSL, MongoDB Enterprise Server has to be manually installed on your machine. For more information, see Security in the MongoDB documentation.
  2. Unzip the file or the file where you want Talend Data Preparation to be installed.
  3. Unzip the <Data_Preparation_Path>/services/ file where you want Components Catalog to be installed.
  4. Add mongo to the PATH environment variable.
  5. Create the dataprep database in MongoDB using the following command: use dataprep.
  6. Create the following user for the dataprep database in MongoDB:
    • Username: dataprep-user
    • Password: duser
    To do this, you can use the following command:
    db.createUser( { user: "dataprep-user", pwd: "duser", roles: [{ role: "readWrite", db: "dataprep"}]})
    You can automatically create the user and password by executing the <Data_Preparation_Path>/ file.


Talend Data Preparation is installed, you now need to configure it. To do so, follow the steps described in Configuring Talend Data Preparation.

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