Powershell Invoke() returns empty if I use AddParameter

Question

I have a C# script to mail-enable a distribution group in Exchange. I have tried the following code, which works currently:

Command command = new Command("Enable-DistributionGroup -Identity '#Test DL'");
psInstance.Commands.AddCommand(command);

The above code works, and will return a string with the name of the distribution group. Upon checking the distribution group, it has become mail-enabled.

The below code does not work, and returns an empty string:

Command command = new Command("Enable-DistributionGroup").AddParameter("Identity", "#Test DL");
psInstance.Commands.AddCommand(command);

Am I using the AddParameter function incorrectly?

Community · Accepted Answer · 2017-05-23 10:26:53Z

2

You need to create the command object, and then do a command.AddParameter separately. See the C# example at PowerShell.AddParameter Method

You can also reference Usage of powerShell.AddCommand for an example from another SO poster.

edited May 23, 2017 at 10:26

CommunityBot

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answered May 27, 2015 at 0:10

Tony Hinkle

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1 Comment

Saintwolf Over a year ago

I have also tried the following but to no avail: Command command = new Command("Enable-DistributionGroup"); command.addParameter("Identity", "#Test DL"); psInstance.Commands.AddCommand(command);

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