How to check if there are a great deal of deferred messages in ServiceBus container DB generated by your workflow

The problem: Your workflow may stop working with the following exception which usually indicates a great deal of messages accumulated in ServiceBus container database. Microsoft.Workflow.Client.WorkflowQuotaExceededException: Cannot start more instances because the size of the topic has exceeded the quota limit   Troubleshooting: First, you should check the number of rows in ServiceBus container database MessageReferencesTable. If there…

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Additional BOM may be generated for RosettaNet solution with BizTalk 2013 R2 CU2 or higher and BizTalk 2016

The problem: You have RosettaNet solutions deployed on BizTalk 2013 R2. After urpgrading to CU2 (or higher) or BizTalk 2016, your trading partner complained that they cannot process the documents sent from you with existing configuration due to an extra unicode Byte Order Mark(BOM) in the beginning of the doc. Analysis: We debug the issue…

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SharePoint WorkflowQuotaExceededException caused by ServiceBus deferred messages

The problem: SharePoint 2013 with workflow manager 1.0 stopped working with the following  Microsoft.Workflow.Client.WorkflowQuotaExceededException failure in ULS log: w3wp.exe         0x4AFC SharePoint Server              Workflow Services               Exception              Microsoft.Workflow.Client.WorkflowQuotaExceededException: Cannot start more instances because the size of the topic has exceeded the quota limit. HTTP headers received from the server – ActivityId: 895a6d56-92c1-4ce7-bb17-33b40607c372. NodeId: . Scope: /SharePoint/default/a67eb351-30b5-43f8-9be4-1ed1faf6647a/87c9068b-6ccc-4033-9102-5d27c43a476a. Client ActivityId : d9deb79d-724d-10a7-6483-11ea093bdd49….

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Workflow farm may not work expectedly if your load balancer is not set to sticky session mode

The problem:   There is a SharePoint 2013 farm with 3 nodes Workflow/ServiceBus farm. A F5 load balancer is in the middle between SharePoint and WF farm.   When using one of the WF endpoints’ FQDN to register SharePoint workflow, everything was working well. But we lost high availability when this specified endpoint was down: http://blog.bugrapostaci.com/2015/05/15/do-we-really-need-a-load-balancer-between-workflow-manager-farm-and-sharepoint/   When using load balanced url…

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ServiceBus 1.1 stops responding when TLS 1.0 is disabled.

Symptom: After applying a recent Windows Security patch, you may find that Service Bus for Windows Server 1.1 is unresponsive. The services may not start. Or if the services do start, they do not respond to client requests. Analysis: ServiceBus 1.1 utilizes Windows Fabric Service 1.0 internally. We found the failure is on activating fabric…

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