AS/400 TCP/IP error

140 pts.
Tags:
AS/400 Client Access
AS/400 error messages
CWBC01003
TCP/IP
Hi, while connecting to the AS/400 from my local system its throwing the error socket error function error CWBC01003 in AS/400. How can I be able to resolve the problems?
ASKED: March 16, 2009  2:30 PM
UPDATED: August 13, 2013  3:24 PM

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Are using DNS name or IP in the Client access connection settings.

Are you able to ping to your AS/400.

Hi,
I am using IP in the client access, I am also able to ping to the IP address attached to the AS/400. Also I am able to ping in the AS/400 also. Please help me. Thanks

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  • Michont
    Have you checked that your telnet server is started? To start it: STRTCPSVR then prompt and put in *telnet or STRTCPSVR SERVER(*TELNET)
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  • graybeard52
    From your PC use CWBPING. This will tell you what ports or services are failing. Plain old PING only tells you there is a physical connection.
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  • Naveens
    Hi while using CWBPING its showing To cancel the CWBPING request, press CTRL-C or CTRL-BREAK I - Verifying connection to system 74.212.168.204... E - CWBCO1003 - Sockets error, function connect() returned 10060 E - CWBCO1048 - A time-out occurred trying to connect to the iSeries E - CWBCO1006 - Unable to connect to server mapper E - CWBCO1011 - Remote port could not be resolved E - CWBCO1008 - Unable to connect to server application Central Client, returned 10060 How we can be able to resolve this errors. Also I have given the option STRTCPSVR SERVER(*ALL) so all the servers are right now started. Please help me to solve this. Thanks in advance
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  • LBurkett99
    Is the AS/400 behind a firewall? If so, you need to open ports 8470 thru 8479.
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  • Naveens
    Now also I have opened the ports 8470 thru 8479 even though I am getting the same error. Please help me Thanks in advance.
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  • LBurkett99
    Try the STRHOSTSVR command, using the default *ALL.
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  • Naveens
    HI EVEN THOUGH THE SAME ERROR IS THERE... PLEASE ANYBODY HELP ME...THANKS IN ADVANCE
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  • Naveens
    please note that I haven't given the option IP datagran forwardins as *yes in thechange TCP/IP attributes page. Is there any necessitity in doing so. Please help. Thanks in advance
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  • LBurkett99
    Along with ports 8470 - 8479 you also need port 449 open.
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  • LBurkett99
    Make sure ports 449 and 8470 - 8479 are active on the AS/400. Use the NETSTAT command and take option 3, Work with TCP/IP Connection Status. Use F14 to change the Local Port column from names to numbers. Pagedown until you get to the 84xx ports and be sure the state of these ports is Listen. Are you familiar with iSeries Navigator?
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  • Naveens
    I am having iSeries Navigator, and can you give me the steps using that to configure TCP/IP. Please note that I have ports number 80,23,443,8470-8479. Now need to open which all ports also.Can you explain more in the renaming case just given above. Is ther any documentation for that please attach the link. Thanks in advance,.
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  • LBurkett99
    Here is a link to IBM's Information Center about TCP/IP setup. http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/cl/cfgtcp.htm Hope this helps.
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  • 1861
    You should hit F10 and type STRHOSTSVR *ALL
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  • Naveens
    Yet now also I am having the same error. Please help me out its very urgent. I am not as/400 admin I am as/400 developer. So please give me clarification for TCP/IP connection details. I have only made the changes to the work with TCP/IP interface and had given the external IP address to config there and also had given the made changes in TCP/IP routes and work with host table entry and TCP/IP domain information right now and started all the servers. But when I am giving bwcping I am getting the error as shown above. I have also opened the appropriate ports for the communication also. Please help me out thanks in advance. Naveen.S
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