Winsock Error Codes - Brought to you by Winsock-Error.com

11003 "This is a nonrecoverable error."

WSANO_RECOVERY (Winsock error number: 11003)

Microsoft say this about Winsock error 11003 - WSANO_RECOVERY:

This indicates that some sort of nonrecoverable error occurred during a database lookup. This may be because the database files (for example, BSD-compatible HOSTS, SERVICES, or PROTOCOLS files) could not be found, or a DNS request was returned by the server with a severe error.

Full details of Winsock TCP error 11003 - WSANO_RECOVERY:

Berkeley description: This is a non-recoverable error.

WinSock description: Same as Berkeley. Specifically, the v1.1 Windows Sockets specification notes the domain name system (DNS) errors "FORMERR, REFUSED, and & NOTIMP. For protocols and services resolution, it means the respective database wasn't located.

Detailed description (from RFC 1035, "Domain Names", by P.Mockapetris):

Format error: name server was unable to interpret the query.

Request refused: name server refuses to satisfy your query for policy reasons.

Not implemented: name server does not perform specified operation.

User suggestions: see WSAHOST_NOT_FOUND for details.

   
This page is designed to help you to understand Winsock TCP error 11003. It will not necessarily mean you can instantly fix issues when your computer tells you that Winsock is having problems with code 11003, rather it will give you the necessary background information to help solve the matter.

Programming declarations for 11003 (WSANO_RECOVERY):

C#
long WSANO_RECOVERY = 11003 ;

VB.net
Dim WSANO_RECOVERY As Long = 11003

VB6
Dim WSANO_RECOVERY As Long
WSANO_RECOVERY = 11003