Virtualizing Exchange? Microsoft addresses misleading VMWare guidance

Are you planning on deploying Exchange Server in a virtual environment, using hyervisors (aka hardware virtualization) such as Microsoft’s Hyper-V or VMWare’s ESXi/vSphere Hypervisor? Microsoft has frequently carried statements about supportability of Exchange Server in a hardware virtualization environment (see Microsoft support policies and recommendations for servers that are running Exchange Server in hardware virtualization […]

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Cloned machines and duplicate SIDs

It’s been over 4 years since I wrote about the duplicate SID issue in SID error on cloned Virtual Server / VPC / VMWare OSes. I recommended using the NewSID utility from Sysinternals to fix the cloned machine. Hyper-V wasn’t around back then, and looking back it seems incredible that many of us survived without […]

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SID error on cloned Virtual Server / VPC / VMWare OSes

If you simply copy an existing Windows OS image to create multiple virtual servers/workstations, and try to log on to a domain controller, you may get the following error: The system or security ID (SID) of the domain specified is inconsistent with the trust information for that domain. This happens because the SID of the […]

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