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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Violation of PRIMARY KEY constraint 'PK_NetPath_Performances_2017xxxx'

Violation of PRIMARY KEY constraint 'PK_NetPath_Performances_2017xxxx'

Updated May 23, 2017


The following error is displayed in the Windows Event log and the graphs do not display when monitoring endpoints with NetPath:

Exception: System.Data.SqlClient.SqlException (0x80131904): Violation of PRIMARY KEY
constraint 'PK_NetPath_Performances_20170325'. Cannot insert duplicate key in object
'dbo.NetPath_Performances_2017xxxx'. The duplicate key value is xxxxxxxxxx
The statement has been terminated.


  • NPM 12.0.1
  • NPM 12.1


This is a bug in the product.


Download and install Network Performance Monitor v12.1.0 - HotFix 1 from the Customer Portal.


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