MCS UK Unified Communications Blog

All things UC related from Microsoft Consulting Services UK : architecture, best practice, news for Exchange and Lync, both on-premise and cloud

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  • Blog Post: Strange Jetstress 2010 results..?

    Are you running the latest version of Jetstress 2010 against data created using the beta ?  If so then you may see some very strange results because there are some minor updates from the beta version which mean that you cannot mix databases created using the beta version with tests run using the...
  • Blog Post: CCR or SCC?

    Have had this discussion on many occasions and this 3Sharp whitepaper by Missy Koslosky would have proved very useful as an external reference point… High Availability Choices for Exchange Server 2007: Continuous Cluster Replication or Single Copy Clustering In conclusion…  (this isn’t the only...
  • Blog Post: 3 into 4 can go…

    Once you’ve determined the number of Exchange Server 2010 mailbox database copies you’re going to use it makes sense to deploy a complimentary number of mailbox servers in the DAG .  If you decide to go with an odd number of database copies go with an odd number of nodes; if you use an even number...
  • Blog Post: 1 AD Site, 1 DAG = no DAC

    So as the TechNet article ( Understanding Datacenter Activation Coordination Mode ) explains you can’t enable DAC mode in Exchange Server 2010 for a DAG where all members are in the same AD site…  So what happens if you lose your primary data centre where your Witness Server is located and you do...