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New Exchange 2010 webcasts has been made available, they are recorded during the UK TechDays event.

• TechDays 2010: Exchange Information Protection & Control (including RBAC)
• TechDays 2010: Exchange Performance/Scalability
• TechDays 2010: Managing Exchange 2010
• TechDays 2010: Moving to Exchange 2010
• TechDays 2010: Exchange 2010 Client Side: What’s new talking about Client Access? (Web Services, ECP)
• TechDays 2010: Exchange High Availability

Microsoft has released another one of their “famous” Architecture Posters, this time it cover the Wordload Architecture of Office Comunications Server 2007 R2.

These posters always gives a great overview of the technology and the components.

This poster of Office Communications Server 2007 R2 describes the traffic flow of protocols and ports used in each workload. Communications Server 2007 R2 supports the following workloads: IM and Presence, Conferencing, Application Sharing, and Enterprise Voice. These filtered views can assist you in architecting your deployment of Communications Server 2007 R2. The different server roles are described along with server certificate requirements. Firewall and DNS configuration requirements are also described.

Download it here.

Great news for the hosting community, DotNetPanel has released their DNP software as Open Source under the name Website Panel.

DotNetPanel has undoubtedly been the best .NET based Control Panel for Windows hosting, such as IIS, Exchange, SharePoint and Hyper-V.

For reason they have now decided to make it available for free under the open source license.

We are excited to announce that SMB SAAS Systems Inc. has revised the DotNetPanel codebase and posted that new code under the new name “WebsitePanel” to SourceForge.NET as an open source project.

WebsitePanel is a line-of-business application and we recognize the benefits of using an open source development model as a more agile and flexible way to meet the growing needs of the web hosting community.

This will enable the hosting and development community to directly contribute to the future of the project, ensuring WebsitePanel’s continued development as an affordable and scalable control panel for Microsoft Windows hosting.

With this change, software developers and hosting providers can now easily integrate WebsitePanel directly into their own offerings and extend the functionality and features to meet their customers’ Windows hosting needs.

For current DotNetPanel customers SMB SAAS Systems Inc. will be providing free community support for a limited time. Future new versions and product updates (including enterprise modules) and bug fixes will be available at no cost to all customers via the WebsitePanel open source project.

We encourage all our customers to move to the WebsitePanel, which will continue to be supported, and participate in WebsitePanel project at SourceForge.NET.

The software is now named WebsitePanel and it still supports a wide range of software for hosting, see the full list of supported software here.

Download the binaries directly from sourceforge.

Microsoft has released an interesting whitepaper about large mailboxes on Exchange 2010.

Giving your users the ability to store more e-mail has many advantages. Large mailboxes keep e-mail on the Exchange Server instead of allowing it to be scattered in Outlook Data Files (.PST files). That helps reduce the risk of data loss, improve regulatory compliance, and increase productivity among both workers and IT staff. The main barrier to implementing large mailboxes is the perceived cost and complexity of storing large amounts of e-mail data. Microsoft® Exchange Server 2010 is specifically designed to overcome these barriers. This paper discusses how Exchange 2010 enables you to give users large mailboxes without breaking your budget.

Download and read the Whitepaper here.

The Exchange team has released an announcement of the improvements in Exchange 2010 SP1. The headlines of a few of the improvements are the following subjects:

• Archiving and Discovery Enhancements
• Outlook Web App
• Mobility (Exchange ActiveSync)
• Management UI

A full list of what’s coming in SP1 will be on TechNet soon.

One of the mostly awaited improvements is properly the possibility of changing location of the Personal Archive Mailbox to another database. This is great news, now the Personal Archive starts to get interesting.

Read more about the Personal Archive improvements in Henrik’s blog post.

Read the full blog post from the Exchange team about the SP1 improvements.