Connecting to R/3 system from portal

Hi Everyone,
I am creating one R/3system object in portal(EP 7.0 SP10). i created the system, provided the required property values in following categories
1.Connector
2.WAS properties.
i created one transaction iview and assigned to access this newly defined or created system & supplied all property values for iview correctly( i have given system alias name property value correctly& also choosen SAPGUI for windows)
i ahve created one role & assign the iview to that role. & assigned the role to myself.
When i try to access the same system. It shows SAPGUI small window"WAITING IN PROGRESS" eror(message window) & system just hangs up. i have created the some other R/3 system few days back with the same way & it worked properly. I was able to get into that system without any problem. i have checked that system's properties with this one & i found no error or mistake.
I m just clueless now about this "WAITING IN PROGRESS" SAPGUI messsage/error. Can anybody help me about the same. I ahve created system based on "Connection to dedicated application server" template.
Plz guide me about the same.
Thanks,
chetan

Hi,
u cn refer to these links,
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/ep/howtoConnecttoSAPR3SystemthroughEnterprisePortal7.0Usingan+iView.&
Configuring EP for connecting to SAP R/3
Connecting To R/3 From Portal
Regards
Bhargava
award if it helps

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U please tell me what are the other things that we have to do in respect to get connection to R/3, how to configure the R/3 system in the portal and also in the NWDS.
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<?xml version="1.0" encoding="utf-8"?>
<application>
<!THIS FILE IS A COPY OF THE ORIGINAL VERSION STORED IN THE PCD. PLEASE DO NOT CHANGE IT!>
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<services/>
</application>
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