One of our SharePoint 2013 Production server is updated & its Framework updated to 4.6.1

Now Service Message Broker service status is starting which not allows us to start, stop & Restart, cause SharePoint 2013 workflows not working on Prod server. enter image description here 

As per research I found that windows is updated we need to update Service bus 1.0 to 1.1 as well. I download update of Service bus from this link. When I run the setup it gives me error: An unexpected internal error has occurred

Kindly advice.

2 Answers 2


Can you go to services.msc and check if the Windows Fabric host service is up and running ?

If it is not running, you might need to restart this service and then try to stop and restart your service message broker service.


I faced this issue before when trying installing SharePoint 2013 prerequisites on a server that has .Net framework 4.6.1 installed.

But in your case, Framework 4.6.1 has been installed on a server that has already SharePoint installed. Therefore, maybe the Service Bus Ports are blocked

So in this case, try to do the following :

Note: you get the Internal error when you tried to install Cumulative Update for Service Bus 1.0 (KB2799752), this usually occurs if the service bus 1.0 may be not installed.

  • You may need to run the SharePoint configuration wizard on all SharePoint servers within the farm.

For more details, check, Service Bus Message Broker Stuck on Starting

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