Issues with MDS feature in SharePoint 2013:

This post is related to the previous post I made in my blog describing the “Issues involved with Minimal Download Strategy feature”. I’m not going to really get into the meats and potatoes of that issue here once again .However , if you want to create a KB article for your end users letting them know that this is a known issue in SharePoint 2013 , then this would be the article for that ….

The Minimal Download Strategy  (MDS) feature in SharePoint 2013 can introduce the below mentioned two issues when you enable it in a team site. It’s a known fact that MDS will be turned on by default in a team site in SharePoint 2013.

Issue 1Deleting a document from a document library will produce an error as shown in the screenshot below.

MDS 1

Explanation:

When you go to a document library in a team site which has the MDS feature turned on and try to delete a document, it’s going to produce an error as shown in the screenshot above.

Repro steps:

Go to a document library in a team site which has the MDS feature activated (remember this feature will be activated by default in a SharePoint Team site) and try to delete a document from a document library by clicking on the “ellipsis” –>“Delete document “BUTTON, you will see an error as shown below without any correlation ID. However, the document would still get deleted from the document library.

Now, this error is not because of any bad configuration in your SharePoint Farm or due to any feature dependency for the MDS feature to work seamlessly .This seems to be a problem with the product itself and looks like this hasn’t been fixed yet.

Workaround:

  1. This error doesn’t show up when you try to delete the document using the “delete document”button in the top ribbon interface.

MDS 2

  1. Also if you try to by-pass your load balancer by changing the host file of your PC to point a specific WFE, this error won’t show up.

Issue 2: Trying to create a new view in a document library will produce an error as shown in the screenshot below

MDS 3

URL will show this error code:  _vti_bin/owssvr.dll?CS=65001

Explanation:

When you go to a document library in a team site which has the MDS feature turned on and try to create a new view, it’s going to produce an error as shown in the screenshot above and the site url will also display this error code : vti_bin/owssvr.dll?CS=65001

Repro steps:

Go to a document library in a team site which has the MDS feature activated (remember this feature will be activated by default in a SharePoint Team site) and try to create a new view by clicking on the “ellipsis” –>“Create a new view “BUTTON, you will see an error as shown below without any correlation ID. However, the new view will still get created.

Workaround:

There is no workaround identified for this as of now, as the error pops up even if you use the “Create view “option in the top ribbon interface. However as already mentioned above the view would still get created.

Note: This error wouldn’t show up if you try to by-pass your load balancer by changing the host file of your PC to point a specific WFE

Conclusion:

We have did our troubleshooting on this issue by working with Microsoft and this seems to be a bug in the product. The F5 load balancer which takes care of handling user requests to the portal seems to be causing the trouble here.

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