Unable to Generating a proxy class for the Enterprise Service

Hi ,
I  am trying to consuming an SAP  XI Web
Service in Visual Studio 2005. I followd this document <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3057b5a7-99d0-2910-8f8f-f357dc4b70b5">Consume ES Workplace Enterprise Services with Microsoft .Net 2.0 and Visual Studio .Net 2005:</a>.
While try to create a Proxy Class for the WSDL  file(XI)  using wsdl.exe tool it shows the error  like this "There is an error in XML document -Value cannot be null Parameter name:name".
If there  any way to pass the parameter  through wsdl.exe tool .
Regards,
Malini.V

Check for unnecessary spaces in the WSDL file. Especially in xsd:union tags.
I had the following problem:
<xsd:union memberTypes=" xsd:time genericTime" ...
Correct:
<xsd:union memberTypes="xsd:time genericTime" ...
and WSDL.exe was able to generate the proxy class code.
Kind regards
Holger

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  • Ask the Expert: Cisco TelePresence for the Enterprise

    Welcome to the Cisco® Support Community Ask the Expert conversation.  This is an opportunity to learn and ask questions about Cisco Telepresence® for the enterprise. 
    Cisco experts Jaret, Fernando, and Fred will be covering all Cisco TelePresence products.  Topics include Cisco TelePresence endpoints and TelePresence infrastructure such as the Cisco TelePresence Video Communication Server (VCS), Cisco Expressway Series, Cisco Unified Communication Manager (CallManager), Cisco TelePresence Servers (MSE 8710, on Virtual Machine, etc.), MCU (MSE 8510, etc.), Cisco TelePresence Management Suite (TMS), and all other Cisco TelePresence related devices.
    Jaret Osborne is an 8-year Cisco Advanced Services veteran.  In his Advanced Services tour, Jaret has covered all aspects of Cisco Unified Communications and TelePresence products, including both enterprise and service provider verticals. Most recently Jaret has been working with global service providers supporting their Cisco TelePresence as a Service offerings while also incubating new cloud services at Cisco.
    Fernando Rivas is a Cisco Advanced Services NCE, starting in the Cisco Technical Assistance Center (TAC), 2007, on the Collaboration Technology Team mastering the Cisco Unified Communication  technologies and specialized in call control CUCM,VCS) and  conferencing (MeetingPlace, Telepresence). In 2011, he joined Cisco Advanced Services as a member of the Cisco Collaboration team and participated in several Cisco TelePresence and video-related technologies deployments. Currently he is a member of the Video Cloud Technology Team, supporting video exchanges in several and architecting new private video cloud solutions for large enterprises. Fernando holds a routing and switching CCIE® certification (22975).
    Fred Mollenkopf  is a Cisco Advanced Services Network consulting engineer working at Cisco for the last 7 years. Fred has led some of the largest Cisco Unified Communication and Collaboration deployments done for Cisco customers and partners. Over 15 years’ experience in data networking with a specialization in Cisco Unified Communications in 2004. Currently he is a member of the SP Video Advanced Services Team, supporting SP video exchanges and the Cisco Telepresence solutions.  Fred maintains an active CCIE® in Voice (17521).
    Remember to use the rating system to let Jaret, Fernando, and Fred know if you have received an adequate response. 
    Because of the volume expected during this event, Jaret, Fred, and Fernando might not be able to answer every question. Remember that you can continue the conversation in the Collaboration, Voice and Video Community, under the sub-community TelePresence, shortly after the event. This event lasts through August 15, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

    Tenaro,
    Additionally here are the most common login issues.  Unfortunately this includes items related to Presence implementation but I commented where we did not use these in our lab setup for CUCM Phone Capabilities only.  
    Login Issues
    Problem:
    Jabber Unable to Sign-in Through MRA
    Solution
    This can be caused by a number of things, a few of which are outlined below.
     1.  Collaboration Edge SRV record not created and/or port 8443 unreachable
    For a jabber client to be able to login successfully using MRA, a specific collaboration edge SRV record must be created and accessible externally. When a jabber client is initially started it will make server DNS SRV queries:
    _cisco-uds : this SRV record is used to determine if a CUCM server is available.
    _cuplogin : this SRV record is used to determine if an IM&P server is available.
    _collab-edge : this SRV record is used to determine if MRA is available.
    If the jabber client is started and does not receive an SRV answer for _cisco-uds and _cuplogin, and does receive an answer for _collab-edge then it will use this answer to try to contact the Expressway-E listed in the SRV answer.
    The _collab-edge SRV record should point to the FQDN of the Expressway-E using port 8443. If the _collab-edge SRV is not created, or is not externally available,  or if it is available, but port 8443 is not reachable, then the jabber client will fail to login.
     2.  Unacceptable or No Available Certificate on VCS Expressway
    After the jabber client has received an answer for _collab-edge, it will then contact the expressway using TLS over port 8443 to try to retrieve the certificate from the expressway to setup TLS for communication between the jabber client and the expressway.
    If the Expressway does not have a valid signed certificate that contains either the FQDN or domain of the Expressway, then this will fail and the jabber client will fail to login.
    If this is occurring, the you should use the CSR tool on the Expressway, which will automatically include the FQDN of the expressway as a Subject Alternative Name.
    MRA requires secure communication between the Expressway-C and Expressway-E, and between the Expressway-E and external endpoints.
    Expressway-C Server Certificate Requirements:
    The Chat Node Aliases configured on the IM&P servers. This is required if you are doing XMPP federation.  The Expressway-C should automatically include these in the CSR provided that an IM&P server has already been discovered on the Expressway-C.
    The names in FQDN format of all Phone Security Profiles in CUCM configured for TLS and used on devices configured for MRA. This allows for secure communication between the CUCM and Expressway-C  for the devices using those Phone Security Profiles.
    Expressway-E Server Certificate Requirements:
    All domains configured for Unified Communications. This includes the domain of the Expressway-E and C, e-mail address domain configured for Jabber, and any presence domains.
    The Chat Node Aliases configured on the IM&P servers. This is required if you are doing XMPP federation. 
    The MRA Deployment guide describes this in greater detail on pages 17-18. (http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-1/Mobile-Remote-Ac...
    Note: In our lab for testing Phone Capabilities only, we did not include the Chat Node Aliases in the certificate as we were not using IM&P.
     3.  No UDS Servers Found in Edge Config
    After the Jabber client successfully establishes a secure connection with the Expressway-E, it will ask for its edge config. This edge config will contain the SRV records for _cuplogin and _cisco-uds. If these SRV records are not returned in the edge config, then the jabber client will not be able to proceed with trying to login.
    To fix this, make sure that _cisco-uds and _cuplogin SRV records are created internally and resolvable by the Expressway-C
    More information on the DNS SRV records can be found on page 10 of the MRA deployment guide for X8.1.1 (http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-1/Mobile-Remote-Access-via-Expressway-Deployment-Guide-X8-1-1.pdf)
    Note: In our lab for testing Phone Capabilities only, we did not include the DNS SRV for _cuplogin.
     4.  The Expressway-C logs will indicate the following error: XCP_JABBERD  Detail="Unable to connect to host '%IP%', port 7400:(111) Connection  refused"
    If Expressway-E NIC is incorrectly configured, this can cause the XCP server to not be updated. If the Expressway-E meets the following criteria, then you will likely have this issue:
    Using a single NIC
    Advanced Networking Option Key is installed
    Use Dual Network Interfaces option is set to “Yes”
    To correct this problem, change the “Use Dual Network Interfaces” option to “No”
    The reason this is a problem is because the Expressway-E will be listening for the XCP session on the wrong network interface, which will cause the connection to fail/timeout. The Expressway-E listens on TCP port 7400 for the XCP session. You can verify this by using the netstat command from the VCS as root.
    Note: We used a Dual Network Interface Expressway for testing but were not using XCP, so this was not applicable to us.
     5.  VCE-E Server hostname/domain name does not match what is configured in the _collab-edge SRV.
    If the Expressway-E Server hostname/domain name does not match what was received in the _collab-edge SRV answer, the jabber client will not be able to communicate to the Expressway-E. The Jabber client uses the xmppEdgeServer/Address element in the get_edge_config response to establish the XMPP connection to the Expressway-E.
    This is an example of what the xmppEdgeServer/Address would look like in the get_edge_config response from the Expressway-E to the Jabber client:
    <xmppEdgeServer>
    <server>
    <address>ott-vcse1.vcx.cisco.com</address>
    <tlsPort>5222</tlsPort>
    </server>
    </xmppEdgeServer>
    To avoid this, make sure that the _collab-edge SRV record matches the Expressway-E hostname/domain name. Enhancement CSCuo83458 has been filed for this. 
    Note: This was one of our issues when we first setup.  We adjusted our Expressway-E to insure the below:
    System > Administration > System Name this was the FQDN
    System > DNS > System Host Name was the host portion of the FQDN
    System > DNS > Domain Name was the domain portion of the FQDN
    System > Clustering > Cluster Name (FQDN for Provisioning) was the FQDN
     6. Unable to log into certain IM&P servers. VCS logs say "No realm found for host cups-example.domain.com, check connect auth configuration"
    From the Expressway-E, go to Configuration -> Unified Communications -> IM&P Servers. Open each server and click "Save" again. Not sure exactly why this happens.
    Note:  This was N/A to our test and can be ignored with Phone Capabilities only.
    Thanks
    Fred

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