Windows error 0x800703FA, -2147023878

Enterprise Library issue

We are using Enterprise Library 6.0 and the following code to create database instance and execute a stored procedure? Any help highly appreciated. Thanks in Advance. DatabaseProviderFactory factory = new DatabaseProviderFactory(); Database db = factory.CreateDefault(); DbCommand dbCommand = db.GetStoredProcCommand("ProcedureName"); OracleParameter outval = new OracleParameter("Test", OracleDbType.RefCursor); outval.Direction = ParameterDirection.Output; dbCommand.Parameters.Add(outval); using [...] read more

Using application pool identity results in exceptions and event logs

I recently switched my applications from using ASP.NET impersonation to actually specifying the identity in the application pool. The reason for this was to make future use of async easier so the threads run as my service account. Since making the change the site has been experiencing some issues. On [...] read more

Exception seen WCF/IIS7.0 Implementation NHibernate.HibernateException: Creating a proxy instance failed

Has anyone seen the following exception and knows what the cause is. Recently deployed code live and started seeing exceptions which forced roll back. On Windows Server 2008 and IIS7.0. The full stack trace seen below. > NHibernate.HibernateException: Creating a proxy instance failed ---> > System.Runtime.InteropServices.COMException (0x800703FA): Illegal operation > [...] read more

SharePoint 2010 Search Error 0x800703fa

We have migrated from SharePoint 2007 to 2010. Everything appears to be working correctly except for an intermitent error with search. Occastionally search results will crash for all of our sites and when we look up the coorliation id we get the following error: -------------------------------------------------------------------------------- Exception when fetching results: System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: [...] read more

Intermittent Error - The .Net Framework Data Providers require Microsoft Data Access Components

We are deploying a full-framework (.Net 4.5.1) website to an IIS server. We are intermittently experiencing the error: > Application Error: System.AggregateException: One or more errors occurred. > ---> System.Exception: SelectAllTOCBasedOnRole failed to execute. ---> > System.InvalidOperationException: The .Net Framework Data Providers require > Microsoft Data Access Components(MDAC). Please install [...] read more

Conditional Split SSIS fails at runtime

I am using SQl Server 2012 and use the SSIS task Condition Split. In visual studio the Condition split works well, but when i deploy the package to SSIS and run it via SISSDB it fails during validation with the following message: Component "CS Contains Seperator in DU, clsid {7F88F654-4E20-4D14-84F4-AF9C925D3087}" [...] read more

Windows Installer always fails with error 1601 or 1603 when run from a service

We have an application that gets installed at a customer's location. This application consists of a self-hosted WCF server running as a Windows service, as well as a client application that isn't related to this problem. We publish updates to our customers by having the service download our WiX-generated .msi [...] read more

SharePoint 2007 Search error

SharePoint search started failing all of a sudden, so I did some reading and performed "Reset all crawled content". Now the crawl is running fine, however, when search is performed on the site, following exception is thrown: System.Runtime.InteropServices.COMException (0x800703FA): Retrieving the COM class factory for component with CLSID {5AD0CC67-4776-4D91-B9A8-0078B0BAF32D} failed [...] read more

Error launching Ubuntu shell on Windows

When trying to launch Ubuntu 18.04 on Windows 10 via WSL, I get the error: WslRegisterDistribution failed with error: 0x800703fa Press any key to continue... read more

Failed to compiled scripts contained in the SSIS package deployed after running one week

We have target sql server as and build SSIS package in visual stdio 2019 but changed project target properties to target sql server 2014.[![Change target server version ][1]][1] Things are going smooth for the whole week ,then all of sudden one of SSIS package throw below error. Question if there [...] read more

The connection type "OLEDB"...not recognized as a valid connection manager type

I am sporadically experiencing the error message below with one of my SSIS packages. The package is run on a schedule by the SQL Server Agent. The error is basically stating that the connection type (OLEDB) is not valid. This error seems to occur randomly once or twice a day [...] read more

Get AD Groups with ASP.NET WebAPI C# not working on Windows Server 2016 Datacenter

I have a ASP.NET Web API Application which loads all the Groups which contains a Specific Name from Active Directory into internal Database. This was working on Dev. PC (Windows 10), Testserver and old Productive Server (Windows Server 2012 R2) But on the new Productive Server (Windows 2016) the same [...] read more

Windows Subsystem for Linux Error: 0x800703fa Illegal operation attempted on a registry key that has been marked for deletion

After a Windows 10 update, I'm getting this error while starting WSL Ubuntu 18. I have tried to restart a couple of times, but the error is still there Installing, this may take a few minutes... WslRegisterDistribution failed with error: 0x800703fa Error: 0x800703fa Illegal operation attempted on a registry key [...] read more

Error using the Library on a Windows Server 2008 SP2 64-bit

I developed an application (C# Framework 4) using the fdf toolkit running on a 32 bit server and everything works well. I have migrated this application to a Windows Server 2008 SP2 64 Bits and sometimes this application gives me this error: > System.Runtime.InteropServices.COMException (0x800703FA): Retrieving the COM > class [...] read more