RDP Cannot Connect

WE have setup RDP for a client; some users can connect and some cannot. All users have the 'same' configuration and are added into the Domain users groups.
I have checked the group policy for connection limits and licensing.

Any suggestions???
Spt_UsAsked:
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Richard DanekeTrainerCommented:
Are there any specific errors for the users that cannot connect?  

It is difficult to pinpoint the issues without more information.  There can be a limit on concurrent connections that is blocking additional users, DNS issues, firewall issues, etc.
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Spt_UsAuthor Commented:
Yes;

1. We checked our firewall and asked Cisco to take a look as well; they are seeing dropped packets; so that is being looked at.

2. We do not have limits on concurrent set. but I'm not sure what you are referring to 'blocking additional users' I have check GPO (local and domain) for max limits; none are disabled.

3. What DNS issues might I check?? I have checked Rights.
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NVITEnd-user supportCommented:
Was it fine before? Did this just start to happen?
 If so, possibly due to recent Windows Updates KB3002657 and KB3046049. It should have been fixed by now though. I guess it depends on when your updates were applied.

Some EE users here were affected:
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2012/Q_28636661.html

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/Q_28638299.html

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2012/Q_28636661.html#a40671657
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Spt_UsAuthor Commented:
This is a new client onboarded thi weekend.
For some users it's access internally and externall for RDP access. Even the Administrator account 'which' at one time did work
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Richard DanekeTrainerCommented:
Cisco can be filtering on port forwarding.  I would test ports on failing RDP clients.
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Spt_UsAuthor Commented:
Thanks for the help; it turned out to be a setting on vmware. However; one user seems left over......
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NVITEnd-user supportCommented:
thanks for the update, Spt_Us. Glad you got it working... Have a nice day!
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Richard DanekeTrainerCommented:
Thanks for the update.
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