Exchange 2007

Can’t send mail to internal Distribution Lists

  For some weeks ago i discovered a strange behavior at a customer site when creating a usual Distribution Group in Exchange 2007. Of course when it was created I thought everything went OK. A week after I realized that the group never has worked because the object ‘legacyExchangeDN’ was empty/missing. In my lab environment i checked it and manually created the object in the production environment and tried it. It worked! To check these kinds of object settings I used AD Explorer (http://technet.microsoft.com/en-us/sysinternals/bb963907.aspx) or you can use ADSIedit.msc (included…

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Exchange 2007, Exchange 2010

NLB solution in VMware

I was trying to setup a NLB cluster (Unicast) with 2 HUB/CAS servers. It didn’t work by default so I searched for a solution and found it on VMware’s site. So, to get NLB work in a virtualization with a NLB solution, follow this article: http://www.vmware.com/files/pdf/implmenting_ms_network_load_balancing.pdf

Exchange 2007

Change Exchange 2007 OWA Automatic Logoff time

Sometimes it’s nice to change the default automatic logoff time for any reason. Firstly, it is necessary that you understand the ‘Public’ and ‘Private’ options on the OWA logon page: Public is the default option for security reasons. If you log in to OWA using this option, your username will not be saved and your session will terminate after 15 minutes. Private is intended for private computers. Selecting this option will cause your username to be remembered for subsequent visits to the site (you must, however, retype your password each…

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