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Lee Pipkin
Enthusiast

Jabber Automatic Updates for MAC

Cisco Jabber for MAC Automatic Updates.  

Has anyone see an "Update Error" An error occurred while downloading the update.  Please try again later" message when Auto Updating Cisco Jabber for MAC?  I'm using the following for the DownloadURL file element in my XML file for automatic updates per the Cisco Jabber for  MAC 10.5.1 release notes.

Cisco-Jabber-Mac-10.5.1.194255-55700621-MC0CFQCa+vqcaLln78ybNLNODwO2TWi7GAIUbQtIsYj1SCYx9zpCe8_+9rxfIZM!.zip

1 ACCEPTED SOLUTION

Accepted Solutions
Lee Pipkin
Enthusiast

Resolved it.  The IIS7 request filtering module was configured to deny a request that contains a double escape sequence.  The + sign in the file name/URL was being rejected by IIS.  

View solution in original post

3 REPLIES 3
Lee Pipkin
Enthusiast

Resolved it.  The IIS7 request filtering module was configured to deny a request that contains a double escape sequence.  The + sign in the file name/URL was being rejected by IIS.  

View solution in original post

In case this saves someone 10 minutes, here's how you make the change.

  1. Open IIS Manager
  2. Expand out the left Connections column until you see the website serving up the update files.
    Note: If this website is being used by other applications you may want to discuss this change with the other application owners before continuing. Alternatively you can create a separate site so the change is isolated.
  3. Select Request Filtering within the center section.
  4. Click Edit Feature Settings from the right Actions column.
  5. Check the Allow double escaping and press OK.
  6. Restart the website from the right Actions column.

For the uninitiated this is necessary because Jabber for Mac requires a specific filename for the automatic update feature to work. That filename contains a DSA signature as an alternative to the inherent signature built into the MSI with Jabber for Windows. A DSA signature isn't common in an HTTP URL, thus the need to reconfigure the web server to allow all possible character combinations that it might contain.

Very Helpful, thank-you

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