Unable to do RDP on Windows Server 2008

i unable rdp on windows server 2008 working fine till now. checked rdp settings have not changed. appreciated.

                 
hello,

few points side fix issue:

1. please check if user account log on windows server 2008 member of remote desktop user.

2. terminal service listens on 3389 port. please let customer run following command client see whether 3389 port reachable:

telnet server_ip 3389

if connection successfully, blank window opened. if cannot connect 3389 port, there several possibilities:

packet may blocked firewall or router. please double check firewall settings on client, server , intermediate devices. 

3. please check item of group policy in gpedit.msc->computer configuration-> security settings->local policies-> users rights assignment -> deny log on through terminal servers. user use log on windows server 2008 under deny list?

if issue still persists, please post detail error message pop-ups when log on terminal server , test result if use rdc log on locally.  

more information enabling remote desktop connections using server manager console, perform following steps:
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open server manager.

on server summary pane, click configure remote desktop.

select 1 of following options:

1). allow connections computers running version of remote desktop

used if remote clients using remote desktop connection 5.x client application.

2). allow connections computers running remote desktop nla.

used if remote clients using remote desktop connection 6.x client application.

in remote desktop section, click select users…

in remote desktop users dialog box, click add.

add users allowed remotely connect server.

thanks
kailas

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Windows Server  >  Remote Desktop Services (Terminal Services)