Sometimes Users are unable to install Salesforce for Outlook successfully or receive error messages during the installation. They may experience some sync issues or weird behavior such as sync getting stuck on 0% or messages such as unable to communicate with Outlook.
This occurs on computers running Windows 7, Windows 8.+, and Windows 10 where the User Account Control (UAC) is enabled or set to highest setting.
Note:
You may need to disable the UAC feature in Windows and restart your machine. Then you will reinstall the Salesforce plug-in.
The steps above are the easiest way to update the UAC settings, but there are other ways to change this setting. Please contact Microsoft Support for additional information.
If you are not able to complete these steps due to your company's security policies and restrictions, please refer to Salesforce for Outlook sync errors and explanations.
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