SharePoint 2016: Forms Based Authentication – Part 4

In the previous article SharePoint 2016: Forms Based Authentication – Part 3 of this series on implementing FBA with SharePoint we saw the execution of Step 5 for the process.

In this last article of this series we are going to see the execution of Step 6 & 7 and for the sake of quick review I am putting up the process diagram again in here.

Process Diagram


Step 6: Add External Users

  • Go to IIS
  • Select the Web Application on the left navigation pane
  • Click on “.Net Users” on the right section


Sometimes you might encounter the following error, this happens because the Default Provider is not set at the time you are trying to Add Users


In order to set the default provider you need to click on the “Set Default Provider” link under Actions Pane on the right


Select the membership provider as we configured in the earlier steps


Now you can add the users.

Click on the “Add” Link under the Actions Pane


Adding user information as needed


Click “Next”


Click “Finish”

And we can see the first FBA user in our system


Step 7: Test Forms Based Authentication

Browse the Web Application Via browser

We can see the Selection Window for the choosing the preferred Authentication mechanism


Let’s choose Windows Authentication first since we did not give explicit permissions to the FBA User yet, that is why system won’t allow the user to login to the SharePoint Site.


And being a authenticated Windows User we are good to go and able to see the Web Application Home Page

Then click on “Site Settings”


Click on “People and groups”


Click on “Add Users” to add new user to the desired security group.

In here I am adding new user to the Members Groups.


Type the name of the FBA user that you have added

In here the FBA User name is “FBAUser”


Share the site with FBA user


We can see the FBA User added to the Group


Now when we are going to browse the Web Application and go with Forms Based Authentication

Choosing this setting will present default login page as we selected in the earlier steps while enabling Web Application with FBA.

Enter FBA user name & password


And since we granted the permission to this FBA User in the SharePoint Site, SharePoint allows you to login to the site using FBA user credentials.


That is all for this series.

Hope you find it helpful.

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