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Error 0x8013101b when doing a registration free COM activation
Jenfeng’s blog discusses in details about registration free COM/ .Net interop. Please see http://blogs.msdn.com/b/junfeng/archive/2006/05/17/registration-free-com-net-interop.aspx for a reference.The...
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WCF: INTEROP SCENERIOS
WCF: INTEROP ERROR:The security header element 'Timestamp' with the 'Timestamp-b82acb5a-c863-428d-a8c9-0928ae3fe651' id must be signed....
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WCF: Callback operations are invoked sequentially ?
Scenario: Client application invokes a Duplex WCF service, and WCF service can invoke multiple callbacks at a time. Problem: You notice that the callback operations are executed sequentially even...
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How to get JavaScript working using Callback with COM
Imagine you have a scenario wherein you want your COM Server to be called within JavaScript which invokes an Async method. Upon completion of the Async method you would like to notify the JS using...
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_bstr_t objects
A _bstr_t object encapsulates the BSTR data type. The class manages resource allocation and de-allocation through function calls to SysAllocString and SysFreeString.It isn’t necessary to de-allocate or...
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CommunicationState Enumeration
Communication state defines the states in which a communication-oriented object can exist.These states are defined as enumerations in the System.ServiceModel.dll....
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Creating a private key exportable, code signing digital signature certificate
If you have set up certificate services or CA then you can create such a PKCS request and send it to the certificate server for signing. Here are the steps. Step 1:Go to your certificate store; right...
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Hang while Marshaling between COM components
I got to debug a COM threading issue where we see that when we are communicating between an application (say an MFC application) and a class library (developed using C# and implementing a COM...
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COM: Cannot register a COM DLL using ATL::CComModule::RegisterServer()
Issue: Cannot register a COM DLL using ATL::CComModule::RegisterServer()If you are using a COM DLL or building one that uses ATL’s CComModule::RegisterServer() and building the code in Visual Studio...
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IErrorInfo object is getting cleared in the client process before the client...
IErrorInfo is an OLE DB interface. It is defined in automation and returns the error message, component name and GUID of the interface where the error occurred. The link...
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WCF: Discover In WCF World
What is service identity in WCF WSDL ?For normal basicHttpBinding we use one directional authentication where only service authenticates the client. For dual authentication, we allow client to...
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Distributed Services Webinar: Overview on Encryption and Signing concept in...
Overview on Encryption and Signing in WCF February 11, 20144PM - 5:30PM Indian Standard TimeClick here to calculate your local time.Presented By: Saurabh Somani - Microsoft Session Overview: This...
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WCF: REST WCF Integration with HTML 5 and Windows 8 Store Applications
Issue:I happen to work with this customer where they required to consume the REST WCF service hosted on IIS and windows service via HTML 5 and Windows 8 store application. Problem :To get the HTML 5...
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IIS: How to Reduce Multiple Authentication or Multiple 401 while using...
Problem: While using Kerberos protocol for authentication on IIS; for every single request that comes to the service; in fiddler we can see that that there is a 401 followed by 200 response from the...
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Distributed Services Webinar: Demystify WCF Troubleshooting
Demystify WCF TroubleshootingFebruary 28th, 20144PM - 5:30PM Indian Standard TimeClick here to calculate your local time.Presented By: Amit R Bhatia - Microsoft Session Overview: This session will...
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Distributed Services Webinar: Explore Function pointers and vtables
Explore Function pointers and vtables March 27th, 20144PM - 5:30PM Indian Standard TimeClick here to calculate your local time.Presented By: Shamik Misra – Microsoft Session Overview: This session...
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More on User Profile Service functionality
We might get into a situation where an application starts failing because of User Profile Service functionality of forcing the unload of the user profile when the user logs off. This happens on Windows...
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Reading/Understanding - Signed Soap Envelopes
Hope this help in understanding/reading the signed soap envelopes !
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Custom Binding: Unified solution for many problems.
Custom Binding: Unified solution for many problems.
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