Any concerns with removing and adding virtual NIC's on a VM Guest with Exchange Server 2013?

We have Exchange 2013 on Windows Server 2012 on a VM 5.5 U2 Host.  The guest is using the standard Intel virtual NIC and we'd like to remove that NIC and add a VMXNET3 NIC in its place.  Are there any concerns or ill effects pertaining to Exchange 2013 in doing this switch?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Other than Exchange will go offline, whilst you do the switch, for several seconds....

If you users have Cache Mode enabled, they'll not notice!
BeratungAuthor Commented:
Thanks Andrew.  We would take the server down first of course.  I am more looking at concerns in regards to, say, the Exchange server binding to the MAC address in some way where if we change the NIC's and get a new MAC that it might either have an issue or require some reconfiguration.  I can't think of anything like that being an issue but thought I would throw that question out there to be sure.
Will SzymkowskiSenior Solution ArchitectCommented:
As stated the Exchange server will loose connectivity. To ensure that Exchange continues to operate accordingly I would stop the Exchange services first and then change the Network Adapter settings on the VM.

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You can use the existing MAC Address, just edit the NIC properties, and select MANUAL for the MAC Address and add it.

It will then appear the same as before (MAC wise!).

Make sure you have VMware Tools installed to support the VMXNET3 interface.

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BeratungAuthor Commented:
Ah.  Andrew good point.  Will, we would shutdown the Exchange server so stopping services is taken care of.
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