As far as I know you can, I am unable to test it myself but have done so in the past without problem.

Here is our UCS running 2.0 and I am able to set the FC uplink speeducsfi-01-A /fc-uplink/fabric/port-channel # show detailPort Channel:    Port Channel Id: 255    Name: ucs-n5k-pc255    Admin State: Enabled    Oper State: Up    Admin Speed: Auto    ...

Thank you Robert I will try and find those posts.

Robert can you please explain why it should not be ?  It has worked very well for me a few times there has been a problem with a host, also I have done it as I have the permission to migrate a vm but do not have the permission to change the state of...

here is an example from my configs I use.port-profile type ethernet system-uplink-03vmware port-groupswitchport mode trunkswitchport trunk native vlan 1034switchport trunk allowed vlan 1031-1034channel-group auto mode on mac-pinningno shutdownsystem...