DFS Replication complaining about being disconnected, but there is only one DC

Question

I'm using JavaScript to click on a image an enlarge it. The program was working to I started changing and saving code and sadly not keeping a backup copy. For what I want when I click on the image I want it to bring the image up in a larger form part of the works but the image does not show and the "x" doesn't close the image also I want to click the side of the screen to close the image but that's not as important as getting the image to show and close when pressing the "x"

 function openModal(id) {
   // Get the modal
    var modal = document.getElementById('myModal');
    
    // Get the image and insert it inside the modal - use its "alt" text as a caption
    var img = document.getElementById(id);
    var modalImg = document.getElementById("img01");
    var captionText = document.getElementById("caption");

      modal.style.display = "block";
      modalImg.src = img.src;
      captionText.innerHTML = img.alt;
          // Get the <span> element that closes the modal
    var span = document.getElementsByClassName("close")[0];
    
    // When the user clicks on <span> (x), close the modal
    span.onclick = function() { 
      modal.style.display = "none";
    }

} 

.render_center{
    margin-right: .5%;
}
.img id="myImg"


img:hover {opacity: 0.7;}
    
    /* The Modal (background) */
    .modal {
      display: none; /* Hidden by default */
  

    position: fixed; /* Stay in place */
      z-index: 1; /* Sit on top */

  

    padding-top: 100px; /* Location of the box */
      left: 0;
      top: 0;
      width: 100%; /* Full width */
      height: 100%; /* Full height */
      overflow: auto; /* Enable scroll if needed */
      background-color: rgb(0,0,0); /* Fallback color */
      background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
    }
    
    /* Modal Content (image) */
    .modal-content {
      margin: auto;
      display: block;
      width: 80%;
      max-width: 700px;
    }
    
    /* Caption of Modal Image */
    #caption {
      margin: auto;
      display: block;
      width: 80%;
      max-width: 700px;
      text-align: center;
      color: #ccc;
      padding: 10px 0;
      height: 150px;
    }
    
    /* Add Animation */
    .modal-content, #caption {  
      -webkit-animation-name: zoom;
      -webkit-animation-duration: 0.6s;
      animation-name: zoom;
      animation-duration: 0.6s;
    }
    
    @-webkit-keyframes zoom {
      from {-webkit-transform: scale(0)} 
      to {-webkit-transform: scale(1)}
    }
    
    @keyframes zoom {
      from {transform: scale(0.1)} 
      to {transform: scale(1)}
    }
    
    /* The Close Button */
    .close {
      position: absolute;
      top: 15px;
      right: 35px;
      color: #f1f1f1;
      font-size: 40px;
      font-weight: bold;
      transition: 0.3s;
    }
    
    .close:hover,
    .close:focus {
      color: #bbb;
      text-decoration: none;
      cursor: pointer;
    }
    
    /* 100% Image Width on Smaller Screens */
    @media only screen and (max-width: 700px){
      .modal-content {
        width: 100%;
      }
    }

<img id="myImg1" style = "width: 480px; height: 384px;" class = "render_center" src="https://www.gstatic.com/webp/gallery/1.sm.jpg" alt="" onclick="openModal(this.id)">

			<img id="myImg2" style = "width: 480px; height: 384px;" class = "render_center" src="https://www.gstatic.com/webp/gallery/2.jpg"alt="" onclick="openModal(this.id)">

Solution

As part of the process of promoting a member server to Domain Controller, that new DC is also included on the DFS replication group in charge of replicate SYSVOL. As your DCs are Windows Server 2012 (I asume both of them have the same versión) this is the standard mechanism for replicating DFS. In Windows Server 2008 the default way to replicate SYSVOL changed from FRS to DFS.

So, I would recomend you in order to solve the problem, go to DFS Management Console, Edit SYSVOL replication group and Delete the old DC that you promoted and is no longer in use.

By the way, if you have this issue with the DFS it's highly probable that you may perform some aditional cleaning tasks if you didn't demote the DC using DCPromo.

Hope this helps!!

Regards

Comments

[Rex]

why would you only want one domain controller? And how did you remove the 2nd domain controller when you removed it? Did you run dcpromo to properly demote the other domain controller? Otherwise, you will have issues (like you are having now). Finally - what is the domain functional level (2003/2008/2008R2)?

[Ants-double]

I would only want one, because I only have one machine to act as a DC. I imagine I ran dcpromo, but let's assume I didn't, if that helps. The functional level is currently 2008, but I'm willing and able to raise it if that would help...

[Ants-double]

The DC is running Server 2012, if that's relevant.

[user596502]

Could you tell us how you removed the temp DC from your domain? I'm suspecting this wasn't done properly.

[Ants-double]

Do you have a bit more detail on how to do that (DFS Management Console)? From a machine other than the DC, preferably, since only the server core is installed on the DC?

[SantiFdezMunoz]

Sure @Mark, in order to perform such management task you should have installed RSAT for Windows 7/8 on your management Workstation: Remote Server Administration Tools for Windows 7 with Service Pack 1 (SP1). Then you can follow the procedure showed on TechNet on this article Managing DFS Replication

[Ants-double]

Under DFS Management -> Replication -> Domain System Volume there is only one server listed, and it's the currently existing server. There is no "Connections" tab, just the "Memberships" tab.

[Ants-double]

Should there even be a DFS group, when there's only one server? Maybe that's the problem?