Notes:
The Outlook side panel may not load for many different reasons. The below list are the most common ways to fix the behavior and should be reviewed prior to opening a Support Case.
If you have Outlook 2010, do you have Service Pack 2 installed? Click HERE for more information on how to determine the version of Service Pack installed on your computer.
If you have Office 2013/2016/O365 installed verify Microsoft Office .NET programmability Support is installed as part of your Office installation package.
Are you running Windows 8.x or 10? Review Salesforce for Outlook - Side Panel fails to load in Windows 8 or 10.
Review 'Salesforce For Outlook' side panel fails to load when you also using 'Outlook Integration for expected behavior and known issues when both Outlook Integration and Salesforce for Outlook are enabled.
Previous versions of SFO (Version 2.4.2 and earlier) should be uninstalled and installed by local administrator as well as all the prerequisites. You can also refer to Salesforce For Outlook - Full Uninstall and Manual Clean Up.
Have your IT or local administrator to login to the affected computer and to uninstall SFO 2.4.2 and log off. Next have the end user login and install SFO 2.5.x or any version of SFO with the ME ONLY option.
If you have already uninstalled the 2.4.2 or older version, have your IT install it again and then uninstall so it cleans up all the left over files. Refer to Upgrading Salesforce for Outlook - SFO for more information on how to upgrade your SFO.
If SFO icon is not present, try to run it by double clicking on the icon from the Desktop and wait a few seconds to see if it shows up in the System Tray. If nothing happens, try to restart your computer and see if the icon shows up.
If you are still having an issue with the icon loading in the System Tray, you may need to uninstall and re-install the application.
Refer to How to Show Hide Salesforce for Outlook Side Panel in Outlook for more information.
You may see 1 or 2, if none exist skip to Installation Failed or Corrupt.
HKEY_CURRENT_USER\Software\Redemption HKEY_CURRENT_USER\Software\Redemption** HKEY_LOCAL_MACHINE\SOFTWARE\Redemption HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Redemption
HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\AddIns\SalesforceForOutlook
Sometimes the Show/Hide button in Outlook gets stuck in the Hidden state and sets the value for the "SidePanelShow" Registry key to False and as a result, the Side Panel never loads.
Refer to the Show or Hide Salesforce for Outlook Side Panel Article or follow the below steps to verify the SidePanelShow value:
Install Windows Communication Foundation Non-HTTP Activation Components for .NET 3.5 or 4.5 by following the below steps then restart your computer.
If you see any version of Microsoft .NET 4.5.x has been installed recently follow the below steps to reinstall .NET 4.5.x and SFO
Before you begin make sure the Registry setting of "Load Behavior" key for the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins\SalesforceForOutlook is set to 3, if it is not double click on the LoadBehavior and change it.
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