Sql error 18456 sql native client
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SQL server was hosting several MOSS 2007 databases. I cleared all entries to MSSQL in the registry, rebooted the server, and reinstalled SharePoint Services.
#SQL ERROR 18456 SQL NATIVE CLIENT INSTALL#
This can happen, when you install SharePoint Services before upgrading the server to be a DC. After installing SharePoint Services 3.0 with SQL 2005 Embedded Edition on a member server W2K3 R2 and updating the server to a Domain Controller, it was not possible to start the SQL services. Ensure that an appropriate owner is listed.Right Click on the Database with problems and choose "Properties".I resolved this by doing the following on the SQL Server 2005: In my case, the message was "Error: 18456 Severity: 14 State: 16". I had this problem because the file system file owner was not a specified user in SQL Server. " This information from some newsgroups may help you:" If you are trying to connect using Windows Authentication, verify that you are properly logged into the correct domain." If you are trying to connect using SQL Server Authentication, verify that SQL Server login exists and that you have spelled it properly. If you are trying to connect using SQL Server Authentication, verify that SQL Server is configured in Mixed Authentication Mode. The following message might also be returned:
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(Microsoft SQL Server, Error: 18456)".Īdditional information returned to the client includes the following: When a connection attempt is rejected because of an authentication failure that involves a bad password or user name, a message similar to the following is returned to the client: "Login failed for user ''.