CoolWriteups Solved : Muhimbi The remote Server Returned An Error: (401) Unauthorized


The service account that MDCS is running under does not have the privileges to load the XSN file from SharePoint


07/31/2012 08:52:17.58 w3wp.exe (0x1A28) 0x1E18 SharePoint Foundation Workflow Infrastructure 98d4 Unexpected System.ServiceModel.FaultException`1[SomeCompany.ConvertToPdf.WorkflowActivity.MuhimbiService.WebServiceFaultException]: Muhimbi.DocumentConverter.WebService.Data.WebServiceInternalException: Exception of type ‘Muhimbi.DocumentConverter.WebService.Data.WebServiceInternalException’ was thrown. – Details: “The remote server returned an error: (401) Unauthorized.” at Muhimbi.DocumentConverter.WebService.InfoPathConverterFullFidelity.Convert() at Muhimbi.DocumentConverter.WebService.DocumentConverterService.Convert(Byte[] sourceFile, OpenOptions openOptions, ConversionSettings conversionSettings, Boolean checkLicenseStatus) (Fault Detail is equal to SomeCompany.ConvertToPdf.WorkflowActivity.MuhimbiService.WebServiceFaultException). 3c893397-76f0-40ed-af08-5e4023277759


  • Log into the Server running the Muhimbi Document Converter Service with an account that has sufficient privileges to access the Services running on the server;
  • Go to Start > Administrative Tools > Services and scroll down till you find “Muhimbi Document Converter Service”;
  • Right click the service and open Properties, click the Log On Tab and make a note of the account running the service;
  • Go back to the SharePoint 2010 site, click Site Actions > Site Permissions and add the Service Account to the “Visitors” group.

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Derek Halstead is a SharePoint consultant as well as the founder and principal of and He has 16 years of experience in the IT industry, with over ten years focused on Microsoft SharePoint. He can be reached by using the Contact Me link in the top menu.
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