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MacOS Users Unable to To Install or Run the SGD Java Client after Upgrading to MacOS Sierra (Doc ID 2321836.1)

Last updated on JANUARY 30, 2024

Applies to:

Oracle Secure Global Desktop - Version 5.3 to 5.3 [Release 5.0]
Information in this document applies to any platform.


MacOS users connecting from Sierra (10.12) or High Sierra (10.13) platforms may be unable install a manually downloaded Secure Global Desktop client, or successfully connect using the Java client. 

After authentication, the browser will attempt to download the Java Webstart archive.  Once complete, the client OS may present a message reporting that the "sgd-webstart.jnlp" cannot be opened.



The recent update from MacOS Yosemite (10.11) to MacOS Sierra (10.12) has further tightened the default security constraints of Gatekeeper, the OS utility responsible for identifying and approving downloaded applications. 

This configuration is managed within the Security and Privacy control panel of MacOS X, which previously presented three options for Application management to the user:

Users will find that the third option, "Anywhere," is no longer presented within Sierra and later releases.  This change in system setting has an impact on the behavior of the JavaWS client on MacOS 10.12 and later, which now shows the selectable options within the Control Panel as:


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In this Document
 Alternate Connection Methods
 Continuing with the Java Client
 Trusting the sgd-webstart.jnlp
 Manually Removing the Quarantine Attribute placed by Gatekeeper
 Modifying MacOS Security Settings
 Rolling Back Gatekeeper's Increased Protections

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