With every release of SQL Server product or subsequent service packs or Cumulative updates, new bugs are encountered or discovered. Below are some of the bugs which were fixed with the release of SQL Server 2012 Service Pack 1 (SP 1) for Microsoft SQL Server 2012.
SQL Server MSDN Bug Number 882088
“File download failed, check that the export destination file does not already exist” error when you try to export to an Excel file in DQS.
SQL Server MSDN Bug Number 882306
“The given key was not present in the dictionary” error when you approve the changes in a newly-added term-based relation in DQS.
SQL Server MSDN Bug Number 891191
Explicit hierarchies are corrupted because of circular references in SQL Server 2012.
SQL Server MSDN Bug Number 891468
“Windows PowerShell is not installed on this server” error when you launch Configuration Manager.
SQL Server MSDN Bug Number 896478
Installation operation fails when you run the DQSInstaller.exe file to install DQS server if you specify the “&” character in the password for the database master key.
SQL Server MSDN Bug Number 902725
“Failed to save Configuration Name” error when a Windows user whose name has accented characters tries to open a data quality project by using Data Quality Client.
SQL Server MSDN Bug Number 905104
Updated knowledge bases cannot be used in an already-open cleansing project in DQS.
SQL Server MSDN Bug Number 907179
Incorrect error message is displayeds when you try to use Data Quality Client.
Note In this description, the word “displayeds” is a misspelling for the word “displayed.”
SQL Server MSDN Bug Number 916173
The sort order is corrupted when you run the [mdm].[udpAttributeSave] stored procedure against an existing attribute in SQL Server 2012.
SQL Server MSDN Bug Number 932693
“Login failed for user ‘
Hope this was helpful.
This is applicable for below versions of SQL Server
SQL Server 2014
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