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The Comodo Extended Validation Secure Server Certificate Authority (CA) SHA-1 version V3 certificate is not trusted by ArcGIS Online from version 3.8 onwards. This results in the inability of the token page to pass through the ArcGIS Online sharing proxy, returning the authentication prompt, "Unable to access authentication service."

Last Published: October 30, 2015 ArcGIS for Server
Bug ID Number BUG-000089195
SubmittedJuly 20, 2015
Last ModifiedAugust 21, 2020
Applies toArcGIS for Server
Version found10.1
Operating SystemWindows
Operating System Version2012 64 Bit

Additional Information

This is fixed


Log in and access the REST page for the server before utilizing ArcGIS Online. This generates a token directly without passing the sharing proxy which can then be recognized in the short term by ArcGIS Online.

Steps to Reproduce

Bug ID: BUG-000089195


  • ArcGIS for Server

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