Experts Exchange > Questions > SQL 2008 R2 SP3 install results in OpenQuery errors against local SQL server "Error: Linked servers cannot be used under impersonation without a mapping for the impersonated login"
We installed SP3 and SP3 CU8 on one of our SQL servers. We have a stored procedure that uses openquery. It works fine still when accessing data from other location database servers but when it accesses it's own local database(local to the stored proc) using openquery it fails with this error message.
I have seen many recommendations but none seem to apply since I do not have a linked server account for the local server. I only have linked servers set up for remote servers and the stored procedure is running fine like against those. Only when it is running against the local data do we get this error.
A Stored Procedure in Microsoft SQL Server is a powerful feature that it can be used to execute the Data Manipulation Language (DML) or Data Definition Language (DDL).
Depending on business requirements, a single Stored Procedure can return differe…
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Using examples as well as descriptions, and references to Books Online, show the documentation available for date manipulation functions and by using a select few of these functions, show how date based data can be manipulated with these functions.