Online PC Support to Resolve “An Existing Connection was Forcibly Closed by the Remote Host” Error

Irregularity in conducting PC maintenance sessions may lead to uncertain PC problems and severe system damages. You may need to take help of an online PC support technician to fix such complex and annoying computing errors. If you wish to seek instant computer solutions, then read the article below to learn how to troubleshoot common computer issues.

A tech guru will always recommend conducting regular PC maintenance sessions to avoid uncertain damages to your system’s hardware and software. It is true that a computer is an electronic device, and it may confront errors or technical issues anytime, anywhere. At this point, online computer support companies are available for offering instant computer solutions to resume your PC operations. Undoubtedly, they may charge certain amount as a part of repair fees, but they promise to deliver seamless remote tech support without unplugging your device and taking it out for repairs. The recent tech support scams have scared the users and no one now trusts any online support vendor blindly. If you’re confident enough and want to repair uncertain PC problems on your own, then read the article further to fix the “connection was forcibly closed” error.

Symptoms of the Error

Your Windows XP and Windows 2000 PCs may show this error when an instance of Microsoft SQL Server 2005 installation on a computer. Situations may get worse, if you continuously try to connect to the instance, and it may end up showing the following error messages, depending on different protocols.

“No process is on the other end of the pipe.”
“An existing connection was forcibly closed by the remote host.”

Cause of the Error

The main cause of the problem can be a certificate having the AT_SIGNATURE key specification, and it is continuously used to Secure Sockets Layer (SSL) encryption. Most of your Windows PCs, including the ones running on Microsoft Windows Server 2003, will not recognize the certificate and the service do not start.

Tips to Resolve the Error

The error will get automatically resolved when you use a valid certificate. You will require installing a certificate having the AT_EXCHANGE key specification to resolve the error. If you’re not a tech expert, then try examining the key specifications of the certificate by using the following steps:

1. Open a command prompt, run the “Certutil -store -v my –CertificateSerialNumber” command, where CertificateSerialNumber is the serial number of the certificate that you’ve specified for the instance.

2. Locate the following registry subkey to obtain the value of the Certificate Registry entry:
“HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL ServerMSSQL.1MSSQLServerSuperSocketNetLib”

3. You will get the result text that will resemble the following codes:


Key Container = c3748a7420955ed4ee1dffb26484a0df_64756357-bf11-4528-b106-59c407d8a6e8
Provider = Microsoft RSA SChannel Cryptographic Provider

ProviderType = c
Flags = 60
KeySpec = 1”
4. Always remember that the valid certificate will have the ‘KeySpec’ property value as 1

5. If the ‘KeySpec’ property value is 2, then certificate has the AT_SIGNATURE key specification

6. Seek help from an online PC support specialist to troubleshoot the error.

Users May Experience the Error in the Following Windows OS Versions:

• Microsoft SQL Server 2005 Standard Edition
• Microsoft SQL Server 2005 Workgroup Edition
• Microsoft SQL Server 2005 Developer Edition
• Microsoft SQL Server 2005 Express Edition
• Microsoft SQL Server 2005 Standard X64 Edition
• Microsoft SQL Server 2005 Enterprise Edition
• Microsoft SQL Server 2005 Enterprise Edition for Itanium-based Systems
• Microsoft SQL Server 2005 Enterprise X64 Edition


Undoubtedly, some Windows errors do require help from PC experts to resume your system’s operations. A PC guru will always recommend using SQL Server Configuration Manager to specify a particular certificate for an instance. Using the SQL Server Configuration Manager can be of great help as it only displays the certificates that are valid and are optimal for server use. Therefore, avoid selecting a certificate that is not valid and enjoy a hassle-free working experience on Microsoft SQL Server 2005 editions.