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List of current known issues with ActiveSync devices directly from Microsoft.

"Beyond the previous post of general complaints of slowness and sluggishness in Outlook and Exchange, the other complaint I hear frequently these days is specific to Calendaring.  Part of it is calendaring performance (where it might take 20-30 seconds to open up somebody else's calendar to view their calendar) which all of the points I note in the other blog post referenced above will apply to performance issues in calendaring."

If multi-day calendar items show up via ActiveSync to iPhone or iPad devices, apply Exchange 2010 SP2 and Update Rollup 1 on top of that to fix the known issue.

"I recently learned something about NASes that buyers looking to use these products for database and other simultaneous-file-access applications should know about. The issue is how Opportunistic Locking ("oplocks") are handled." "Opportunistic locks (oplocks) are a characteristic of theLAN Manager networking protocol implemented in the 32-Bit Windows family of operating system environments. Bascially, oplocks are guarantees made by a server for a shared logical volume to its clients. These guarantees inform the Client that a file's content will not be allowed to be changed by the server, or if some change is imminent, the client will be notified before the change is allowed to proceed."

"This table contains a list of systems, motherboards, storage controllers and network cards that have been tested and found to work with ESX 4.x or ESXi 4.x Installable. Please check out the source column for a system you are considering using as some systems will include special steps to enable ESX / ESXi to run on that system or have other issues to overcome. None of these systems are supported by VMWare for running ESX."

"A physical server needs drivers to talk to it's hardware. A virtualized server, in essence, does the same thing. VMware presents new hardware to allow the virtual machine to talk to it's hypervisor. Think of the driver issue in a P2V migration like removing a video card and installing a new one. The drivers and hidden hardware are still there just in case you feel like popping the video card back in. A P2V will still have all of the old hardware in the virtual machine. Don't forget about services that physical servers used, namely HP server management services."