Proxy server causing issues in Outlook with Free/Busy, OOF and Mailtips

Applies to: Microsoft Outlook 2010Microsoft Office Outlook 2007Outlook 2013

Symptoms


Consider the following scenario:

  • You run Outlook 2007, 2010, or 2013.
  • When enabling your Out of Office message, you receive an error:

    Your automatic reply settings cannot be displayed because the server is currently unavailable. Try again later.



  • You do not see MailTips, instead you receive a warning:

    We can't show MailTips right now.



  • Free/busy information cannot be displayed, you receive an error:

    No information. No free/busy information could be retrieved. Your server location could not be determined. Contact your administrator.


Cause


An incorrect WinHTTP Proxy is configured.

Resolution


  1. Open an elevated command prompt.
    1. Press the Start key or click the Start button.
    2. Type Command Prompt.
    3. Right-click Command Prompt, and then click Run as administrator.
    4. If you are prompted for an administrator password or for confirmation, enter the password, or click Allow.
  2. If you are running either of the following combinations of Windows and Office:

    A 32-bit version of Office on a 32-bit version of Windows, or
    A 64-bit version of Office on a 64-bit version of Windows
    1. At the command prompt, type the following command and press ENTER:

      netsh winhttp show proxy



    2. The current WinHTTP proxy settings will be displayed.
    3. If the Proxy Servers shown are not correct, remove them using the following command:

      netsh winhttp reset proxy



  3. If you are running a 32-bit version of Office on a 64-bit version of Windows:
    1. At the command prompt, change folders to the \Windows\SysWow64 folder by typing the following command containing the path to your SysWow64 folder:

      cd C:\Windows\SysWow64

    2. Type the following command and press ENTER:

      netsh winhttp show proxy



    3. The current WinHTTP proxy settings will be displayed.
    4. If the Proxy Servers shown are not correct, remove them using the following command:

      netsh winhttp reset proxy



More Information


Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.

For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 How to back up and restore the registry in Windows

Instead of using the Command Line method, you can also view and remove the WinHttpSettings registry value.

  1. Depending on your Windows and Office bitness, browse to and select the appropriate registry key:

    HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\ConnectionHKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connection
    Note The Wow6432Node hive is used when a 32-bit version of Office is installed on 64-bit version of Windows.
  2. Find the WinHttpSettings value. You can double-click the WinHttpSettings value to view the Value data if you choose.
  3. Right-click the WinHttpSettings value, and then click Delete.