Using a JWT on a Windows Service

One of this days I had this really fun challenge that I need to tackle. So consider the follow, I had a solution where I need to authenticate a Windows Service (so non interactive) against an (ASP.net) Web API, using ADFS 3.0 with ADAL.NET, and the current user’s credentials, fun right? In my case, after…

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Workflow Manager CU4 is finally here

Yup that’s true, the new and much expected Cumulative Update 4 for Workflow Manager is finally here. Yes, it will be possible now get over that always troubling issue of the expired certificates, or the so enraging pain of the Restore-WFScope don’t do all the work when you have associated workflows or even the always…

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Initial Troubleshoot DCOM Errors 10000, 10001, 10002, 10003 and 10004

Continuing on the last topic about how to troubleshoot some of the most common DCOM Errors, a couple more of those below:   DCOM Event ID 10000 Description: Unable to start a DCOM Server: {AppGUID}. The error: “C:\WINDOWS\system32\DLLName.dll” -Embedding is not a valid Win32 application. Happened while starting this command: “C:\WINDOWS\system32\DLLName.dll” -Embedding Cause NTFS permissions…

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Initial Troubleshoot DCOM Errors 10010 and 10016

Yes, that’s true, today I decided to write something about some two typical errors that we see on DCOM and most of the times drives some of us a little bit mad. Yes, that’s right DCOPM is still a thing in our bright days of could computing and IoT. So, some of the most popular…

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How to identify PID of AppPools

Today, I just decided to write a very straightforward post about something that I was not aware it would be a big issue, but in fact there a lot of people struggle with this. Basically is how to identify the PID of an AppPool, this cames in play many times when we are troubleshooting something…

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Some Workflow Manager useful database queries

Following my last post, I was thinking that would be a good idea sharing some other queries that you can use on your Workflow Manager Farm databases. With this in your hands you can, sometimes, identify some potential issue that will need your attention or in some other cases will provide you with a little…

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Get the Workflow details using the WorkflowInstanceID

When troubleshooting Sharepoint Workflows, one need that often comes out, is regarding how to get more details about a specific Workflow Instance on the Workflow Manager Databases. This is due to the fact that this is usually the piece of information we get from the Sharepoint and most of the times people do not know…

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Using Wildcard Certificates for Multi-Server Farm

In terms of scalability, Workflow Manager farm sits on top of a Service Bus farm, and can only either be a single server or three servers. The most important factor is that there is no other supported topologies, also most importantly, Service Bus reaches a quorum with three or five nodes. So, if you want…

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Maximum allowed Correlation Filter have been reached or exceeded

The Error Exception command text: [dbo].[PerformBatchOperations], exception = Microsoft.ServiceBus.Messaging.QuotaExceededException: The number of maximum allowed CorrelationFilter have been reached or exceeded. Number of filters:100001, Max number of filters allowed: 100000.    at Microsoft.ApplicationServer.Messaging.Broker.Sql.StoreUtilities.ValidateSqlResult(SqlDataReader reader, String entityName, SqlContainerLocation containerLocation)    at Microsoft.ApplicationServer.Messaging.Broker.Sql.PerformBatchOperationAsyncResult.ProcessSqlResult(SqlDataReader reader)    at Microsoft.Cloud.ServiceBus.Common.Sql.SqlStoreAsyncResult.SqlCommandAsyncResultCallback(IAsyncResult result). TrackingId: b21a82b0-c3be-4813-af96-4a6824b9159d_aassdwewewew_4a6824b9159d, SubsystemId: workflowdefaultnamespace:Topic:sharepoint/default/04bf3f89-d48b-43f7-9dab-081d7171e30a/e3b354f5-9ada-4566-9847-453a76698785/wftopic|tct. The Resolution 1. Stop-SBFarm 2. Run…

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