File Transfers in Microsoft Lync Online

A new post on about file transfer support in Microsoft Lync Online:

Communicator File Transfers Across a Firewall are Not Supported

I recently confirmed that transferring a file with the Communicator client across a firewall is not a supported feature in OCS 2007 R2.  This surprised me, and I see many others in the OCS forums have struggled with firewall ports in an attempt to get this working. Equally surprisingly is that this does not seem to be officially [...]

OCS File Transfers – Key Facts & Common Cures

The ability to transfer files in Office Communicator is an effective collaboration feature (and is often underused). A file can be shared in the context of a discussion by dragging-and-dropping it directly in the Communicator conversation session window. It is real time, and you avoid the storage headaches and application-context-switch that email attachments can bring.

From [...]

Microsoft Office Communications Server Remote Connectivity Analyzer

Microsoft has recently made available a Beta version of a web tool that can be used to test the external connectivty of your OCS Edge deployment:

You can choose to manually enter your Edge Access hostname and port (normally 443), or by using auto-discovery (via DNS records). The auto-discovery option is good because it inherently [...]

Flavors of Hosted OCS

Offering software as a service (aka SaaS, “in the cloud”, or “Software+Services” as Microsoft calls it) has started to gain real traction, and the benefits and potential issues are well documented (i.e. lower initial and on-going costs, and a pay-as-you-go subscription based cost model).

In the last few years, several options have been made available for [...]

4 Key Requirements For Deploying OCS Edge Services

There is plenty of information available about configuring the 3 OCS Edge Roles (Access, A/V, and Web Conference), however many common problems arise from not adhering to 4 key requirements.

1. At a minimum, 2 NIC’s are required (one internal and one external). Unless you are a TCP/IP expert, trying to configure TCP/IP for both internal [...]

Microsoft Office Communications Server 2007 Edge Planning Tool

The Microsoft OCS team has recently released a Office Communications Server 2007 Edge Planning Tool.

The tool generates 6 reports that are useful for a current Edge server deployment, or in the planning stage for deploying an Edge server.

You can read more about the tool here. You can download the tool here.

What Ports do I need to open on my Firewall?

The first question often asked when exposing OCS functionality to the Internet is “what ports do I need to open on my firewall?”.

The answer depends on which Edge functionality (and the associated Edge Role), being exposed to the Internet.  Below is a concise recap of the default Ports that need to be opened to expose specific [...]