Display User Login Name As Notification Dialog Box In SharePoint


When we upload the existing document in the Document Library by unchecking the override existing file we get SharePoint OOTB exception saying ”A file with the same name already exists and it was last modified by i:o#.w|domain\username.

In this case we have to trim the i:o#.w| which is SID or represents the type of authentication used.

Refer the following screenshot for clear understanding of the requirement.

Figure 1: Before

Figure 2:


Step 1: Open the sitecollection in the browser. Go to SiteSetting, then MasterPage and check the selected Site Master Page and System Master Page.

Figure 3:
System Master

Step 2: Open the site in SharePoint Designer. Go to All Files, then _catalog and masterpage.

Figure 4: Masterpage

Step 3: Open any one of the selected master page in step 1 in advance mode.

Step 4: Add the following script before </head> tag. Here's the following screenshot for reference.

  1. <SharePoint:ScriptLink ID="ScriptLink_CustomUploadpage" name="~sitecollection/Style Library/Scripts/CustomUploadScript.js" runat="server" LoadAfterUI="true" Localizable="false"/>  

Figure 5: Code

Step 5: Repeat step 4 for the other master page selected in step 1.

Step 6: Come to browser and open style library by going to site content, then style Library.

Step 7: Upload the CustomUploadScript.js file to script folder in style library.

Figure 6: Library

Step 8: Test and Verify.