Error: The date time format is not Valid, or the value is outside the supported range in Plugin /Workflow CRM On premise.
If a code passed in UAT then we mostly sure that every thing will work fine in Production. But It is not always true, Some times we receive error that are not related to code. Same thing happened with me, I have recently received below error in a workflow on production server. The date time format is not Valid in Workflow. Strange thing is that I did not get any such error on dev/test environment. After Spending lot of time, I came to know that “Date and Time “setting was an issue. Main cause was “ Current language for non-Unicode programs ”. It set to United States in my dev/test environment and United Kingdom in production environment. I logged in to CRM production server with same user that is owner of workflow and changed “Current language for non-Unicode programs” to United States and issue has been resolved. To solve this issue, Login with user who is owner of workflow on CRM server and follow below steps: Click on Clock and click on “Change date