VMware ESXi VM cannot be attached to dvSwitch due to port is full ?

I'm unable to deploy and attach new VM into my Distributed vSwitch anymore:

Reconfigure virtual machine PRODTMG2010-VM The resource vim.dvs.DistributedVirtualPort is not available in vim.dvs.DistributedVirtualPortgroup VLAN_Internal.

How can I fix that issue ?
LVL 11
Senior IT System EngineerIT ProfessionalAsked:
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Abhisek, I do not use Cisco 1000V so that article is not relevant.
gheistCommented:
Just increase port number of Distributed Virtual Switch.
Default is 128 ports per one
vmware somehow hints distributed virtual switches are sized automatically, but so far it did not happen.
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Yeah, that's what I have thought so.
The total VMs I have is less than 200 but why it was failed ?
gheistCommented:
Do you have a problem flipping it to maximum 4095 ports ?
Senior IT System EngineerIT ProfessionalAuthor Commented:
Gheist, yes the problem is that I do not want to cause unwanted downtime for all of the VM managed by the VCenter and also not sure what to do to achieve that ?
gheistCommented:
There is no downtime involved at all. It does not even reconfigure switch on hosts.
gheistCommented:
Thank you and welcome.
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