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I am running a query in SQL Server 2005, which has a call to a linked server, I get the following error , I have confirmed that the Linked server exists.<br />
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[OLE/DB provider returned message: Client unable to establish connection]<br />
[OLE/DB provider returned message: Unable to load communication module. &nbsp;Driver has not been correctly installed.]<br />
OLE DB error trace [OLE/DB Provider 'SQLOLEDB' IDBInitialize::Initialize returned 0x80004005: 
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I am running a query in SQL Server 2005, which has a call to a linked server, I get the following error , I have confirmed that the Linked server exists.

[OLE/DB provider returned message: Client unable to establish connection]
[OLE/DB provider returned message: Unable to load communication module.  Driver has not been correctly installed.]
OLE DB error trace [OLE/DB Provider 'SQLOLEDB' IDBInitialize::Initialize returned 0x80004005: 

SQl server errror - Unable to load communication module.  Driver has not been correctly installed

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.

Microsoft SQL Server 2005

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.