Attached the January 2011 Unified Communications Technical Rollup. It contains information regarding Microsoft Exchange, OCS/Lync, Outlook, Forefront and other Microsoft UC related techologies, newsletters, knowledgebase articles, new downloads, webcasts etc.

Every message that is sent (over the Internet) has header information. This header contains all kinds of information regarding the message, where it comes from, sent to, time, message identifier etc. All mail servers use this information to process the … Continue reading →

Al eerder heb ik hierover geblogged: http://www.jaapwesselius.com/2010/03/exchange-2007-address-list-segregation/ en dan met name over het feit dat de 2007 oplossing niet werkt met Exchange 2010. Nu is er natuurlijk de ‘hoster edition’ van Exchange 2010 SP1, maar dat is weer een heel … Continue reading →

Attached the December 2010 Unified Communications Technical Rollup. It contains information regarding Microsoft Exchange, OCS/Lync, Outlook, Forefront and other Microsoft UC related techologies, newsletters, knowledgebase articles, new downloads, webcasts etc.

After migrating from a Hosted Exchange 2010 environment to a dedicated Exchange 2010 environment I’ve seen sporadic issues. Very strange issue that I could not explain immediately. Autodiscover failed to work on one PC, but did work on another PC. … Continue reading →