Create a text file at D:\PowerShell\DPFile.txt (you can use your convenient location) and populate the file with the distribution points to be added to the DP group.

To show you a sample, DPFile.txt should contain DP names, as follows:

GURU.COM
DP1.GURU.COM
DP2.GURU.COM

Also, it is important to note that we should enter one DP name per line. Our sample file will look something like the following screenshot:

We will assume the distribution point group is named Test Distribution Group and the text file location as D:\PowerShell. Look at the following code:

$FilePath = "D:\PowerShell\DPFile.txt"
$DPNames = Get-Content –path $FilePath
ForEach(...