Though it's well known VS defect, definately we can handle it!

• Open the solution file in edit mode

• Modify the relative path to match the modified/moved physical path ..

  SccProjectUniqueName1 = Source\Order\Order.csproj SccProjectName1 = Order.ApplicationService SccLocalPath1 = Order.ApplicationService

• Also, makesure of correct relative path for the referring project(s)

  Project("{asdasd-301F-11D3-BF4B-asdasd}") = "Order", "Source\Order\Order.csproj", "{E25641BC-C990-40E2-8876-08AE8728F763}"
       EndProject
  

Though it's well known VS defect, definately we can handle it!

• Open the solution file in edit mode

• Modify the relative path to match the modified/moved physical path ..

   SccProjectUniqueName1 = Source\\Order\\Order.csproj
   SccProjectName1 = Order.ApplicationService
   SccLocalPath1 = Order.ApplicationService
  

• Also, makesure of correct relative path for the referring project(s)

   Project("{asdasd-301F-11D3-BF4B-asdasd}") = "Order",
           "Source\Order\Order.csproj", "{E25641BC-C990-40E2-8876-08AE8728F763}"
   EndProject