Issues after updating the ISA Management console on a Windows Vista/7 client If you start the Management console after installing an ISA update or service pack, regardless if you updated it via Windows Update or by manually downloading/installing a hotfix...

Branch offices are often connected to a corporate headquarters or corporate data center to access Line of Business (LOB) applications via a WAN link. Depending on the deployment, branch offices may connect directly to the Internet, or indirectly via the...

1. Introduction This post is about a specific condition that can triggers the “Not Supported” error while browsing some web sites through ISA Server. The error message that the end users receives is similar to the one shown below: The...

1. Introduction The new TMG Client that is available on TMG 2010 is now capable of performing automatic discovery using a record that resides on Active Directory. TMG Client still able to use the traditional methods (DHCP / DNS) for automatic discovery...

Introduction Voice over IP (VoIP) communications are transmitted via the internet and therefore need to be allowed to pass through your firewall. A basic VoIP call is based on Session Initiation Protocol (SIP), which is the most common protocol used today...

1. Introduction The HTTPS Inspection feature on TMG 2010 can protect internal client workstation from accessing non legitimate HTTPS web sites. The whole idea is to avoid that client open a SSL tunnel with the destination server and the content...

TMG Community, We are pleased to announce that the release candidate (RC) update for Forefront Threat Management Gateway (TMG) will include several important developments for the Network Inspection System (NIS) , the signature-based part of the Forefront...

Consider a firewall policy which contains two Web access rules: 1. My Public Restrictive access rule- Allow traffic from internal network to a restricted set of URLs on the external network. 2. My Private Permissive access rule- Allow traffic from a limited...

Overview Today, more and more businesses rely on their Internet Service Providers (ISP) to handle their outside Internet communications. Sending emails, browsing the web and any other web related actions are essential business infrastructure services...

In cross forests scenarios, where users are migrated from one Active Directory forest to another using ADMT and enabling sidHistory, users from one forest may be denied traffic by ISA if policy rules are restricted to certain user sets. For example...

Today we are excited to announce the availability of Forefront Threat Management Gateway 2010 Release Candidate. Please go ahead and download to try it out. We are looking forward to receiving your feedback! While the Beta 3 release was feature complete...

As you may know, the Forefront TMG URL filtering feature is using categorization data provided by Microsoft Reputation Services (MRS). Improving the quality of categorization data is an ongoing process. In a recent post , we highlighted some of the...

This is just a reminder, that mainstream support for ISA 2004 Standard Edition SP3 is going to end next week (October 13 th , 2009). That means that starting Oct 13 th , the Forefront Edge product team will not issue non-security hotfixes, and will...

Hello Community: I have not been posting as much directly here on the technical blog as the rest of the team. I hope you are enjoying the wave of technical content that is now coming out about the upcoming TMG release. This was based on direct feedback...

Greetings from the TMG development team, We are pleased to announce that with the Threat Management Gateway (TMG) RC release,  we will complete the development of the dynamic GAPA Engine Update and the completion of the first batch of network protocols...