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"Error: Could not upload certificate" during Certificate Upload

Single Sign-On
Okta Classic Engine

Overview

After uploading a certificate into an application, an error appears:

Error: Could not upload certificate


Error message 
 

Applies To

  • App certificate
  • Single Logout (SLO)
  • Encryption

Cause

Bad format of the certificate file.

Solution

Use the following format to upload the X.509 certificate into Okta:

  1. Open a text editor of choice.

  2. Paste the following format into the text editor.

  3. Replace the [X509Certificate value] with your certificate value without the X.509 headers.

    -----BEGIN CERTIFICATE-----[X509Certificate value] -----END CERTIFICATE-----
    
    Example on macOS X while using the TextEdit application 

    NOTE: While using any text editing application, always ensure all contents within the file are set to plain text before saving.CER extension in step 4.

  4. Save the file with a .CER extension.

  5. Upload this new certificate file into the app.

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Okta Support - "Error: Could not upload certificate" during Certificate Upload