SharePoint Workflow Configuration Common Issues

• Unable to connect to the remote service

PS C:\Users\mossadm> Register-SPWorkflowService  -SPSite “http://www.contoso.com” -W
orkflowHostUri http://wfm.contoso.com:12291 -AllowOAuthHttp
Register-SPWorkflowService : Unable to connect to the remote service at
http://wfm.contoso.com:12291/SharePoint/. See InnerException for more details. Client
ActivityId : e592f590-80d3-4f43-9118-39e526e3c5ff.
At line:1 char:1
+ Register-SPWorkflowService  -SPSite “http://www.contoso.com” -WorkflowHostUri
http:/ …
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~
+ CategoryInfo          : InvalidData: (Microsoft.Share…WorkflowService:
RegisterSPWorkflowService) [Register-SPWorkflowService], WorkflowEndpointN
otFoundException
+ FullyQualifiedErrorId : Microsoft.SharePoint.WorkflowServices.PowerShell
.RegisterSPWorkflowService

In here ; SharePoint is telling you that it cannot find the Workflow Manager service endpoint at this address
– Check for the Firewall and possible networking issues.
– Make a browser test that you can browse the workflow host uri
-Check the WFM IIS for the bindings of the Workflow Manager Site
-Check that the workflow manager  IIS to make sure that the Workflow Manager Front End is running on correct port !.

• When you try to publish a workflow you may face following issues.

Microsoft.SharePoint.SPException: App Management Shared Service Proxy is not installed.
at Microsoft.SharePoint.AppRegistration.GetProxy(SPServiceContext serviceContext)
at Microsoft.SharePoint.AppRegistration.AddOrUpdateAppNoPermissionCheck(SPAppPrincipalInfo appInfo)
at Microsoft.SharePoint.SPAppPrincipalManager.RegisterWithInternalDirectory(SPAppPrincipalIdentityProvider identityProvider, String nameIdentifier, String displayName, List`1 appEndpointAuthorities, List`1 redirectAddr

You can face this  because App Management Service application is not provisioned or the App Management Service is not running or the App Management Service Proxy is not added to the default proxy group.
-Check the app management service from CA -> Application Management -> Manage Service Application . If it is not provisioned , provision it.

Then if you face this ;
Microsoft.SharePoint.SPEndpointAddressNotFoundException: There are no addresses available for this application.
at Microsoft.SharePoint.SPRoundRobinServiceLoadBalancer.BeginOperation()
at Microsoft.SharePoint.Administration.SPServiceApplicationProxyBase`1.ExecuteOnChannel(Boolean requireDelegation, Action`1 codeBlock)
at Microsoft.SharePoint.AppManagement.AppManagementServiceApplicationProxy.GetScaleOutDatabaseMap()
at Microsoft.SharePoint.SPScaleOutDatabaseMap.GetMapCacheEntries

-Dont forget to start App Management Service from CA-> Services on Server -> App Management Service
–Make an IISReset

• When you try to run a SP 2013 workflow, you get a ‘suspended’ error message, and the error states;
  RequestorId: <Guid>. Details: RequestorId: <Guid>. Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ApplicationException: HTTP 401 {“error_description”:”The server was unable to process the request due to an internal error.

The reason may the security service application is unable to identify the user id from the user claim

-Open IIS Manager, navigatred to Application Pools > Click on the app pool named “Security Token Serice Application Pool”
-Click Advanced settings
-Modified the value for the property named “Load User Profile” from FALSE to TRUE
-Perform an IISRESET /noforce