This article highlights the features and bug fixes included in the Service Pack 4 (SP4) version of Microsoft's Forefront Unified Access Gateway ("UAG") 2010 software.

## Features in UAG 2010 SP4

The following new features are introduced in UAG 2010 SP4:

### Client Devices Support for Windows 8.1

UAG 2010 SP4 now supports client computers running Windows 8.1, which uses Internet Explorer 11 and Internet Explorer 11 on desktops. In addition to this, it also accommodates the following:

- **Mail**: This feature allows users to connect to a published Microsoft Exchange server using the built-in Mail application on Windows 8.1 computers.

- **Remote Desktop**: UAG 2010 SP4 introduces support for Remote Desktop Connection (RDC) clients running on Windows 8.1.

### Application Publishing Enhancements

UAG 2010 SP4 introduces a tool called Export2tspub.exe that enables publishers to create and publish RemoteApp programs from a Remote Desktop Session Host (RD Session Host) running on a Windows Server 2012 or Windows Server 2012 R2 server.

## Bug Fixes in UAG 2010 SP4

Apart from these new additions, UAG 2010 SP4 also includes several bug fixes:

(the rest of the content remains unchanged)

The following is the list of fixes that have been included in the Forefront UAG 2010 SP4 update:

1. The UserMgrCom service has been found to crash intermittently in Forefront Unified Access Gateway 2010. This issue has now been resolved with version 2907776.

2. Trunk authentication was failing in Forefront Unified Access Gateway 2010 when the global catalog server was unavailable. Version 2909151 addresses this issue and provides a resolution.

3. W3wp.exe process randomly stops causing all sessions to disconnect in Forefront Unified Access Gateway 2010. A fix for version 2909182 has been implemented to prevent this behavior.

4. An error message stating "The URL contains an invalid path" is displayed when attempting to access an Exchange 2013 OWA website. This issue has been dealt with in version 2909191 of the update.

5. DirectAccess fails to connect to corporate IPv4 resources after installing the Forefront Unified Access Gateway 2010 Service Pack 3. This problem has been fixed in version 2909350.

6. SSLVPN applications with Socket Forwarding mode set to 'Disabled' consume up to 100 percent of the CPU time in Forefront Unified Access Gateway 2010. Version 2909353 includes a fix to resolve this issue.

7. If a published server is configured for single sign-on in Forefront Unified Access Gateway 2010, users are required to reauthenticate to the ADFS server again. Version 2909353 offers a solution for this recurring issue.

问题2909356:在Forefront Unified Access Gateway 2010环境中,访问特定InternalSite URL时出现详细的HTTP 403.14错误消息。

解决方案:当Outlook Anywhere通过Forefront Unified Access Gateway 2010发布时,可能会出现W3wp.exe内存泄漏的问题。为了解决这个问题,你可以尝试以下方法:

- 确保你的系统满足Forefront Unified Access Gateway 2010的硬件和软件要求。

- 更新你的操作系统和Forefront Unified Access Gateway 2010到最新版本。

- 检查你的应用程序代码,确保没有内存泄漏或不合理的资源使用。

- 如果问题仍然存在,可以尝试在安全模式下启动计算机,然后逐个卸载安装的软件组件,以找出导致内存泄漏的根本原因。

问题2909365:在使用Forefront Unified Access Gateway 2010发布的Outlook Anywhere中,W3wp.exe出现内存泄漏。

解决方案:与问题2909356类似,你可以尝试以下方法来解决W3wp.exe内存泄漏的问题:

- 确保你的系统满足Forefront Unified Access Gateway 2010的硬件和软件要求。

- 更新你的操作系统和Forefront Unified Access Gateway 2010到最新版本。

- 检查你的应用程序代码,确保没有内存泄漏或不合理的资源使用。

- 如果问题仍然存在,可以尝试在安全模式下启动计算机,然后逐个卸载安装的软件组件,以找出导致内存泄漏的根本原因。

问题2909367:在使用Forefront Unified Access Gateway 2010发布的门户中,访问时出现间歇性HTTP 500错误。

解决方案:这个问题可能是由于多种原因导致的,例如服务器资源不足、网络连接不稳定等。为了解决这个问题,你可以尝试以下方法:

- 确保你的系统满足Forefront Unified Access Gateway 2010的硬件和软件要求。

- 更新你的操作系统和Forefront Unified Access Gateway 2010到最新版本。

- 检查你的网络连接,确保网络稳定且延迟低。

- 优化你的应用程序代码,减少不必要的资源消耗和计算负载。

- 如果问题仍然存在,可以尝试在安全模式下启动计算机,然后逐个卸载安装的软件组件,以找出导致HTTP 500错误的根本原因。

Forefront Unified Access Gateway 2010 is a web application firewall (WAF) that provides secure access to web applications while filtering web traffic to protect against threats. It also provides integration with other security technologies such as Active Directory and Forefront Identity Manager (FIM).

However, there are some issues that users may encounter when using Forefront Unified Access Gateway 2010. One issue is that an authentication prompt may be received even though the user is successfully authenticated. This can be caused by incorrect settings or configuration problems. Another issue is the use of an incorrect domain password policy if Active Directory integrated authentication is configured in Forefront Unified Access Gateway 2010. This can result in unauthorized access to protected resources.

To address these issues, Microsoft has released service packs for Forefront Unified Access Gateway 2010 that include fixes and improvements. Service packs can be installed through Windows Update or manually downloaded from the Microsoft website. These updates help to ensure that Forefront Unified Access Gateway 2010 continues to function properly and securely.