How to connect Nextcloud with SharePoint

This "how-to-connect" documentation will explain the initial configuration of an example connection from Nextcloud to a SharePoint Online Library in Office 365. We will be synchronizing data stored in Nextcloud.

This guide presupposes that you have installed the Layer2 Cloud Connector and that you are familiar with its basic functionality. The Layer2 Cloud Connector User Documentation will provide you with all necessary information.

Contents

1. Configuring Nextcloud

2. Configuring the Layer2 Cloud Connector

2.1 Creating a new connection

2.2 Configuring the Data Entity 1

2.3 Configuring the Data Entity 2

2.4 Running your connection

3. Hints and known issues

3.1 Connection direction

1. Configuring Nextcloud

The Layer2 Cloud Connector works here as a layer between Nextcloud and your local computer. Go to https://nextcloud.com download and install the Windows Desktop client. In the installation process you can set the desired local folder from your computer for the synchronization.

Go to your Nextcloud account and get the server address. You can read the server address from your URL or go to the left bottom side from your account and copy the WebDAV address.

Start the Nextcloud client and write the WebDAV address to connect to your cloud server.

Log in into your account to grant access to the application. After that, you will get a mapped folder into your Windows Explorer with the data from your Nextcloud.

2. Configuring the Layer2 Cloud Connector

2.1. Creating a new connection

Create a new connection by using the Create New Connection option in the Actions pane (right-hand side). The new connection will appear at the bottom of the Connection Manager List (left-hand side). Click on your newly created connection to open the connection configuration settings.

Choose a meaningful name for your connection and replace the current "New Connection" Connection Title with it.

Connections to Nextcloud can be bi-directional. An initial connection should always be uni-directional to assure that both data entities are identical before switching to bi-directional. Therefore, choose Left to Right as Direction. You can change this setting after your initial synchronisation finished successfully.

2.2. Configuring the Data Entity 1

We will now set up our Data Entities. Go to the data entity “Data Entity 1” to open the configuration settings.

Choose a Data Entity Title. It is recommended to give your entities meaningful names to maintain an overview when you decide to set up multiple connections.

Select the Data Provider for File System from the data provider list. You can search for File System by typing into the selection box.

For the Connection String, we need the information mentioned in step1. You can copy the below connection string and adjust it to match your gathered information. Use the Verify Connection String option to evaluate if the provided connection string is valid.

Directory=C:\Pathtoyour\Nextcloud;	

• "Directory=pathtoyourlocaldirectory;" this property defines which folder will be used for the synchronization.

The Select Statement text box is used to define specific data queries. The select statement is not necessary in this case.

To check if all necessary columns are received, you can use the Preview Data option on the right-hand pane which will provide you with a pop-up window showing your sample data from your Nextcloud entity.

2.3. Configuring the Data Entity 2

We are going to send the data to a custom SharePoint Online library. It's required that you set up this library prior to the next steps. Your library should contain matching columns according to your source entity.

Use the left-hand pane to switch to the data entity "Data Entity 2". We will be using the Layer2 SharePoint Provider for this setup. 

For more information about the SharePoint provider visit:

https://www.layer2solutions.com/support/cloud-connector-faqs/layer2-csom-sharepoint-ado-net-provider.

You can copy the below Connection String which contains the minimum of required properties to connect to your custom SharePoint Online library.

URL=https://your_custom_sharepoint_library_url/AllItems.aspx;Authentication=Office365;User=User@domain.com;

• "URL=https://your_custom_sharepoint_url/AllItems.aspx;" this property defines the URL of your custom library that will be addressed.
• "Authentication=Office365;" this property will determine the authentication method used. Office 365 is the default authentication method to access Microsoft Office 365 / SharePoint Online. This method will not work in case of federation, e.g. ADFS. For further authentication method you can consult the provider specifications linked above.
• "User=User@domain.com;" this property should describe the user you wish to connect to SharePoint to. 

Enter the password that belongs to the user account used in the connection string into the Password field. Save your changes by using the right-hand pane option Save Changes.

In the next step, we will configure our mapping settings. Click on the Mappings option on the left-hand pane. If your fields from SharePoint are named identical to the fields from your source system, the Enable Auto Mapping option will match those columns. Disabling this option allows you to match your columns as needed. We enabled auto-mapping in our setup. Save your changes by using the right-hand pane option Save Changes.

2.4. Running your connection

To run your connection switch back to the main connection configuration node and use the Run Now Button located on the bottom of the setup page. The Run Synchronization Toolbox will also display the synchronization process. 

Below is a data preview of the information we have accessed in our source entity:

This will be the result in our SharePoint Online library after our initial successful synchronization:

If you want to use a bi-directional syncronization, you can now switch your connection directon after our first initial synchronization run finished successfully. See section 3.1 for further information.

3. Hints and known issues

3.1. Connection direction

As far as tested, this connection supports uni-directional as well as bi-directional synchronizations. 

After adjusting the direction to bi-directional, you should check your Mappings settings again because some systems might include read-only columns that cannot be mapped directly.

We also recommend to choose a Conflict Resolution that matches your environments needs. You can find out more about the different conflict resolutions in our Layer2 Cloud Connector User Documentation.

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