Some of the real time examples where you find SQL users getting error 18452 given below:
Login failed for user 'username'. The user is not associated with a trusted SQL Server connection. (Microsoft SQL Server, Error: 18452)
Login failed for user. The user is not associated with a trusted SQL Server connection. (Microsoft SQL Server, Error: 18452)
Large number of users seen struggling with this error after which they are unable to access their data stored in MDF files created in SQL server & want to Fix SQL Server Error 18452.
In order to be relieved from this SQL Server 2005 error 18452, try to change the Authentication mode of SQL Server via Windows Authentication mode into mixed mode authentication.
After having this SQL Server 2005 error 18452 situation, you lose accessibility to MDF files. It becomes almost impossible for you to work with triggers, views, stored procedures, primary keys, foreign keys etc. This might causes loss to organizational tasks which requires quick attention.
However, this is not permanent solution to the error, so better to take some quick and best solution in a form of SQL Server error fix tool. This marvelous SQL Server error fix software is the wise way to fix MS SQL Server error 18452 and repair lost MDF files. This SQL recovery application guides you to know that how to fix SQL Server error 18452 aptly. It not only fix SQL Server error 18452, you can use this application for other errors also because of its high capability nature. This advance SQL Server error fix tool has simple functional facility that repairs and recovers complete MDF database. The prior software can be obtained if software is downloaded in free demonstration version. So, try SQL recovery software freely & fix MS SQL Server error 18452. So, try this SQL Database Repair Tool Free Download version.