Monday, August 15, 2022

Component Object Model - Wikipedia.c# - Intermittent COM and MAPI errors in native application - Stack Overflow

Component Object Model - Wikipedia.c# - Intermittent COM and MAPI errors in native application - Stack Overflow

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Microsoft outlook 2016 mapi 1.0 error free -



 

Note that this authentication provider is not created if Exchange this includes Edge Transport servers is detected in the environment. Answers in the comments section if you do. There are no prizes to be won! So next we start to impact clients — so this is the bit you want to do out of normal business hours. For career reasons. So, make sure you validate the following: Make sure you have completed the steps above in the Azure AD Configuration section.

Make sure OAuth is enabled on all virtual directories used by Outlook. Make sure your clients are up to date and HMA capable by validating you have the minimal version as defined in our supportability requirements. Make sure you have communicated what you are doing. All the prep you did means it comes down to two cmdlets. Wield the power wisely. After HMA is enabled, the next time a client needs to authenticate it will use the new auth flow.

Just turning on HMA may not immediately trigger a re-auth for any client. To test that HMA is working after you have enabled it, restart Outlook. The client should switch to use the Modern Auth flow. Once you enter the username you might be redirected to your on-premises IDP, like ADFS and might not see anything at all if Integrated auth is configured , or you might need to enter a password. Well done you. Check everyone else is ok before heading home though, eh?

Something Went Wrong. I was thinking of not publishing this section until next year, just for giggles. Mine, not yours. Firstly, make sure you did ALL the steps above, not some, not just the ones you understood. If you need to simply turn this back off then just run the last two cmdlets we ran again, but setting them to False this time. You might need to run IISReset on Exchange more than once, we cache settings all over the place for performance reasons, but those two will put you back to where you were if all hope is lost hopefully you still have a chance to capture a trace as detailed in a moment before you do this, as it will help identity what went wrong.

First thing is — is the client seeing any kind of pop up warning dialog? Are they seeing any certificate errors? Trust or name mismatches, that sort of thing?

Anything like that will stop this flow in its tracks. If they trust the issuer of the certs securing those sites, great. If you have some kind of name translation thing going on somewhere, that might cause a warning, or worse, a silent failure.

You can do that, but only in pass-through mode. The publishing rule for AutoDiscover in this case was using autodiscover. Assuming certificates are good, we need to get deeper.

We need to trace the traffic. The tool I prefer to use for this is Fiddler , but there are others out there that can be used. Now, Fiddler or the like can capture everything that happens between client and server — and I mean everything. If you are doing Basic auth, Fiddler will capture those creds. Use a test account or learn enough about Fiddler to delete the passwords. Once installed and with the Fiddler root certs in the trusted root store Fiddler acts as a man-in-the-middle proxy it will capture traffic from whatever clients you choose.

Only do this while capturing the traffic for debug purposes, then reset it back. All COM components implement the IUnknown custom interface, which exposes methods for reference counting and type conversion casting. A custom IUnknown interface consists of a pointer to a virtual method table that contains a list of pointers to the functions that implement the functions declared in the interface, in the same order that they are declared in the interface.

Dispatch interfaces support late binding for OLE Automation. This allows dispatch interfaces to be natively accessed from a wider range of programming languages than custom interfaces. A COM class "coclass" is a concrete implementation of one or more interfaces, and closely resembles classes in object-oriented programming languages.

Like many object-oriented languages, COM provides a separation of interface from implementation. This distinction is especially strong in COM, where objects cannot be accessed directly, but only through their interfaces.

COM also has support for multiple implementations of the same interface, so that clients at runtime can choose which implementation of an interface to instantiate. Type libraries contain metadata to represent COM types. IDL files define object-oriented classes, interfaces, structures, enumerations and other user-defined types in a language independent manner.

IDL also supports the use of bracketed attributes before declarations to provide additional information, such as interface GUIDs and the relationships between pointer parameters and length fields. TLB files contain binary metadata that can be processed by different language compilers and runtime environments e. VB, Delphi,. NET etc. Because COM is a runtime framework, types have to be individually identifiable and specifiable at runtime. To achieve this, globally unique identifiers GUIDs are used.

It is through the effective use of type libraries that COM achieves its capabilities as a dynamic framework for the interaction of objects. The IDL files containing COM interfaces and classes are compiled into type libraries TLB files, which can later be parsed by clients at runtime to determine which interfaces an object supports, and invoke an object's interface methods. Instantiation of SomeClass can be implemented as follows:. All COM objects utilize reference counting to manage object lifetimes.

The reference counts are controlled by the clients through the AddRef and Release methods in the mandatory IUnknown interface that all COM objects implement. COM objects are then responsible for freeing their own memory when the reference count drops to zero. Certain languages e. Visual Basic provide automatic reference counting so that COM object developers need not explicitly maintain any internal reference counter in their source codes.

Not all reference count calls are sent to remote objects over the wire; a proxy keeps only one reference on the remote object and maintains its own local reference count. It also shields COM client application developers from the need to directly maintain reference counting, by providing smart pointer objects. COM is a language agnostic binary standard that can be developed in any programming language capable of understanding and implementing its binary defined data types and interfaces.

COM implementations are responsible for entering and leaving the COM environment, instantiating and reference-counting COM objects, querying objects for supported interfaces, as well as handling errors. COM libraries use the registry to locate either the correct local libraries for each COM object or the network location for a remote service. Instead, the metadata and CLSIDs of the classes implemented in the component are declared in an assembly manifest described using XML , stored either as a resource in the executable or as a separate file installed with the component.

During application loading, the Windows loader searches for the manifest. Only if the lookup fails, the registry is scanned. But it can create internal objects which may not be registered at all , and hand out references to interfaces to them, using its own private knowledge. COM objects can be transparently instantiated and referenced from within the same process in-process , across process boundaries out-of-process , or remotely over the network DCOM.

Out-of-process and remote objects use marshalling to serialize method calls and return values over process or network boundaries. This marshalling is invisible to the client, which accesses the object as if it were a local in-process object. In COM, threading is addressed through a concept known as apartments. Streamline sharing with Microsoft Teams. You can now create a shareable link for any file stored in Teams and directly set the appropriate permissions.

Additionally, you can also set permissions for files stored in SharePoint or OneDrive while composing a private chat or starting a channel conversation. Your Signature settings are stored in the cloud, so your experience is consistent when you access Outlook for Windows on any computer.

This feature has been delayed and will only be available in Beta Channel. Inline message translation will ensure that every worker in the team has a voice and facilitate global collaboration. With a simple click, people who speak different languages can fluidly communicate with one another by translating posts in channels and chat. This feature will now be available on Android. Outlook will help speed up writing and replying to emails by predicting text to complete sentences. By swiping you can choose to use the suggested text or just keep typing to ignore.

Adjust what information shows on the out-of-box forms and include custom header and footer imagery and information. Visualize any list with items that use date column information in a calendar view. As you scroll left and right, the first column of your list remains in place; similar to the sticky header that is already a part of Lists. New Graph APIs that allow developers to work directly with Managed Metadata Services, which provides a common taxonomy for tagging and classifying content across Microsoft United States.

Microsoft roadmap Get the latest updates on our best-in-class productivity apps and intelligent cloud services. Using this roadmap. Roadmap improvements. Filter the items below: Filters You may select more than one filter View results Clear all. Product Filter by Cloud based applications and platforms included in Microsoft Azure Active Directory.

Azure Information Protection. Microsoft Ask the community. Support for business. IT Pros and admins. Report a privacy concern. Report a support scam. Quickly create and share content that stands out, manage your schedule with ease, effortlessly connect with others and enjoy peace of mind - all with Microsoft Unlock now.

Windows 11 is here!

 


- Exchange on Windows 10 / Outlook / Error: "MAPI [4C2] - Super User



 

The Microsoft roadmap provides estimated release dates and descriptions for commercial features. All information is subject to change. As a feature or product becomes generally available, is cancelled or postponed, information will be removed from this website. Get the latest updates on our best-in-class productivity apps and intelligent cloud services. Rethink productivity, streamline business processes, and protect your business with Microsoft Streamline sharing with Microsoft Teams.

You can now create a shareable link for any file stored in Teams and directly set the appropriate permissions. Additionally, you can also set permissions for files stored in SharePoint or OneDrive while composing a private chat or starting a channel conversation. Your Signature settings are stored in the cloud, so your experience is consistent when you access Outlook for Windows on any computer.

This feature has been delayed and will only be available in Beta Channel. Inline message translation will ensure that every worker in the team has a voice and facilitate global collaboration. With a simple click, people who speak different languages can fluidly communicate with one another by translating posts in channels and chat. This feature will now be available on Android. Outlook will help speed up writing and replying to emails by predicting text to complete sentences.

By swiping you can choose to use the suggested text or just keep typing to ignore. Adjust what information shows on the out-of-box forms and include custom header and footer imagery and information.

Visualize any list with items that use date column information in a calendar view. As you scroll left and right, the first column of your list remains in place; similar to the sticky header that is already a part of Lists.

New Graph APIs that allow developers to work directly with Managed Metadata Services, which provides a common taxonomy for tagging and classifying content across Microsoft United States. Microsoft roadmap Get the latest updates on our best-in-class productivity apps and intelligent cloud services. Using this roadmap.

Roadmap improvements. Filter the items below: Filters You may select more than one filter View results Clear all. Product Filter by Cloud based applications and platforms included in Microsoft Azure Active Directory. Azure Information Protection. Microsoft Microsoft admin center. Microsoft compliance center. Microsoft Cloud App Security. Microsoft Defender for Endpoint.

Microsoft Defender for Identity. Microsoft Defender for Office Microsoft Edge. Microsoft Endpoint Manager. Microsoft Graph. Microsoft Information Protection. Microsoft Intune. Microsoft Power Apps. Microsoft Search.

Microsoft Stream. Microsoft Teams. Microsoft To Do. Microsoft Viva. Office Office app. Power Automate. Power BI. Security and Compliance center. SharePoint Syntex. Universal Print. Windows Release phase Filter by feature or product release availability.

General Availability. Targeted Release. Targeted Release Entire Organization. Targeted Release Select People. Limited Availability. Semi-Annual Enterprise Channel Preview. Semi-Annual Enterprise Channel. Beta Channel. Stable Channel. Current Channel Preview. Current Channel.

Platform Filter by operating system and platform availability. Teams and Surface Devices. Cloud instance Filter by Cloud segment. GCC High. Worldwide Standard Multi-Tenant. New or updated Filter by features recently added or updated. New within last week. New within last month. Changed within last week. Changed within last month. Updates that are currently in development and testing.

Updates that are beginning to roll out and are not yet available to all applicable customers. Fully released updates that are now generally available for applicable customers. Sort by Preview date Sort by General Availability date. Newest to oldest Oldest to newest. Selected page 1. March CY Outlook for Windows: Signature cloud settings Your Signature settings are stored in the cloud, so your experience is consistent when you access Outlook for Windows on any computer.

October CY Microsoft Teams: Android On-Demand Chat Translation Inline message translation will ensure that every worker in the team has a voice and facilitate global collaboration. May CY Outlook for iOS: Text predictions Outlook will help speed up writing and replying to emails by predicting text to complete sentences. February CY June CY Microsoft Lists: forms customization - built on SharePoint Adjust what information shows on the out-of-box forms and include custom header and footer imagery and information.

December CY Microsoft Lists: calendar view - built on SharePoint Visualize any list with items that use date column information in a calendar view. Microsoft Lists: sticky first column - built on SharePoint As you scroll left and right, the first column of your list remains in place; similar to the sticky header that is already a part of Lists.

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