In Exchange Server 2010 SP1 is was possible to create a hosting specific implementation by using the /hosting switch during setup. The /hosting implementation is discontinued by Microsoft and replaced by Address Book Policies in Exchange 2010 SP2 and the Address Book Policies solution is continued in Exchange 2013.
Category Archives: Uncategorized
Kemp Load Master R320
One of the load balancer vendors I have been working with quite a lot is Kemp, this shouldn’t be new I suppose.
A typical load balancer is configured in a “2 armed” scenario: one NIC is connected to the ‘external network’ which typically is the network where the clients connects to while the other NIC is connected to the ‘internal network’ where the servers connect to.
Heartbleed bug Patch Available for Kemp LoadMaster
By now you should have heard about the heartbleed bug. This is a serious vulnerability in the popular OpenSSL cryptographic software library. In case you think “but I don’t use this open stuff” you’re wrong. You might not, but vendors might be.
Continue reading Heartbleed bug Patch Available for Kemp LoadMaster
Heartbleed vulnerability, Exchange and load balancers
By now you should have heard about the heartbleed bug. This is a serious vulnerablility in the popular OpenSSL cryptographic software library. In case you think “but I don’t use this open stuff” you’re wrong. You might not, but vendors might be.
Continue reading Heartbleed vulnerability, Exchange and load balancers
A call to a PSTN number failed due to non availability of gateways in Lync 2013
During a migration project I ran into a nasty issue where I was not able to perform any outbound calls via the mediation server and the SIP trunk. As soon as I entered a phone number in my Lync 2013 client and hit the ‘dial’ button the call failed, immediately.
Continue reading A call to a PSTN number failed due to non availability of gateways in Lync 2013
Jaap Wesselius 
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