[1-day-delivery] Troubleshoot a linked server to an Oracle database in SQL Server

Title: [1-day-delivery] Troubleshoot a linked server to an Oracle database in SQL Server
Category: 1-day-delivery
Tag(s): SQL Server, Troubleshoot, Linked Server, Oracle
Description: You want to troubleshoot and fix a linked server to an Oracle database in SQL Server.

Common Issue(s)

  • Error 7399: The OLE DB provider "%ls" for linked server "%ls" reported an error.
  • "ORA-12154: TNS:could not resolve service name"
  • "The Oracle(tm) client and networking components were not found.
  • Error 7302: Cannot create an instance of OLE DB provider ‘MSDAORA’ for linked server "%ls".
  • Error 7303: Cannot initialize the data source object of OLE DB provider ‘MSDAORA’ for linked server "%ls".
  • Error 7306: Cannot open the table ' %ls' from OLE DB provider 'MSDAORA' for linked server "%ls".
  • Error 7312: Invalid use of schema and/or catalog for OLE DB provider '%ls' for linked server "%ls".
  • Error 7313: An invalid schema or catalog was specified for the provider "%ls" for linked server "%ls".
  • Error 7314: The OLE DB provider "%ls" for linked server "%ls" does not contain the table "%ls".
  • Error 7413: Could not connect to linked server '%ls' (OLE DB Provider '%ls').
  • Error 7391: The operation could not be performed because OLE DB provider 'MSDAORA' for linked server "%ls" was unable to begin a distributed transaction.
  • Error 7392: Cannot start a transaction for OLE DB provider 'MSDAORA'for linked server "%ls".

Management

  • Fixed-time: 1 working day(s)
  • Fixed-scope: 1 linked server
  • Fixed-price: $100

Work Breakdown

  • Verify that you can connect to Oracle
  • Verify the version of the Oracle client
  • Verify the environmental variable PATH
  • Verify the Ociw32.dll file

Out of Scope

  • Root Cause Analysis (RCA)

Deliverable(s)

  • Quick fix only
  • You should be able to query on the linked server.

Prerequisite(s)

  • Database server access
  • Screen sharing, if applicable