IIS Error cannot add duplicate collection entry of type add with unique key attribute name

Question

i am facing thiss error when i am publishing same application in another project on IIS500  Internal server error

dharmendr · Accepted Answer

Refer below linkshttpsstackoverflowcomquestions7455424howtosolveerrorcannotaddduplicatecollectionentryoftypeaddwithunique11427193httpsstackoverflowcomquestions18506826iisexpresscannotaddduplicatecollectionentryoftypeaddwithuniquekeyhttpsforumsaspnett1891758aspxErrorCannotaddduplicatecollectionentryoftypeaddinVS2010

IIS Error cannot add duplicate collection entry of type add with unique key attribute name

500 - Internal server error.

Company

Explore

Follow us

Contact Us