Generating Certificate Signing Request (CSR) For ERS Integration

1. Open Internet Information Services (IIS) Manager

Click Start, Control Panel, System and Security, Administrative Tools, and then select Internet Information Services (IIS) Manager.

2. Select the server where you want to generate the certificate

In the left Connections menu, select the server name (host) where you want to generate the request.

MS IIS8 Step3

3. Navigate to Server Certificates

In the center menu, click the Server Certificates icon under the Security section near the bottom.

MS IIS8 Step3

4. Select Create a New Certificate

In the right Actions menu, click Create Certificate Request.

MS IIS8 Step4

5. Enter your CSR details

In the Distinguished Name Properties window, enter in the required CSR details and then click Next.

Note: To avoid common mistakes when filling out your CSR details, reference our Overview of Certificate Signing Request article.

6. Select a cryptographic service provider and bit length

In the Cryptographic Service Provider Properties window, select Microsoft RSA SChannel Cryptographic Provider and Bit Length of 2048, then click Next.

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Note: Bit Length: 2048 is the current industry standard. You may choose a larger key size, but only if you have a requirement to do so, as longer key lengths increase latency and may reduce compatibility.

7. Save the CSR

Click Browse to specify the location where you want to save the CSR as a “.txt” file and click Finish.

8. Generate the Order

Locate and open the newly created CSR from the specified location you choose in a text editor such as Notepad and copy all the text including:

MS IIS8 Step8

Give this CSR file to NHS Digital and they should return certificate, that you can then generate a pfx file from. Your will need to generate a pfx file from the certificate they send you from the same server you generated the CSR from.

Updated on August 5, 2020

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