Message : A potentially dangerous Request.Path value was detected from the client (:).

We’ve noticed in event log the following error:
 Message : A potentially dangerous Request.Path value was detected from the client (:).
Type : System.Web.HttpException, System.Web, Version=4.0.0.0, Culture=neutral, Message : A potentially dangerous Request.Path value was detected from the client (:).
Source : System.Web
WebEventCode : 0
ErrorCode : -2147467259
Stack Trace :    at System.Web.HttpRequest.ValidateInputIfRequiredByConfig()
  at System.Web.HttpApplication.ValidateRequestExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
  at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Unfortunately, the error doesn’t contain the full path, so we can’t identify which part of the site causes the error.

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