How to Connect Exchange Online (Office 365) to Windows PowerShell?

Manual connection

In the manual connection, you create an active session with Exchange Online email address. Follow the below-mentioned steps:

Start Windows PowerShell as the administrator.

Set the Execution policy as remote signed to run different kinds of scripts:

Set-ExecutionPolicy RemoteSigned

PowerShell will ask if you agree with the suggested changes. Click Y.

PowerShell will ask if you agree with the suggested changes and Click Y

Create a user credential variable with Exchange account credentials. After clicking Enter, a login wizard will open in which you must enter the email address and password of the account. Click OK.

$UserCredential = Get-Credential

a login wizard will open in which you must enter the email address and password of the account

Create a new session with the next script.

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection

Create a new session with the next script

A remote module is created and connected.

The script is run successfully.

Now, you can run all the Exchange-related commands in PowerShell easily.

Get-Mailbox

you can run all the Exchange-related commands in PowerShell easily

When you have completed the desired task on PowerShell (related to the Exchange Online), you can dismiss the session with the command-

Remove-PSSession $Session

To prevent a situation where all sessions are busy and it is impossible to establish a new remote Exchange Online PowerShell session, it is crucial that you disconnect the remote PowerShell session when you are through using it.

Generally, there are no issues in connecting with the Exchange Online using the given procedure and it is a best practice for Office 365 mailbox management. If you get some kind of error at any step, then you can check the following instructions:

An incorrect password is a frequent issue. Repeat the process, paying great attention to the username and password you use this time.

You are permitted to have only five open remote PowerShell connections to Exchange Online in order to help avoid denial-of-service (DoS) attacks.

You must allow TCP port 80 traffic between your local computer and Microsoft 365. Although it’s probably open, if your company has a tight internet access policy, you might want to take that into account.

You cannot use a federated account to login to Exchange Online PowerShell if your company employs federated authentication and your identity provider (IDP) and/or security token service (STS) are not publicly accessible. To connect to Exchange Online PowerShell, establish and use a non-federated account in Microsoft 365.

Conclusion

The Exchange Admin Center online interface can be replaced with Exchange Online PowerShell for sophisticated tasks. By using a single command or script, you may perform many operations and activities using Office 365 PowerShell and Exchange Online PowerShell. In today’s blog post, we looked at ab easy way to connect to Exchange Online PowerShell. The three key actions in the approach are creating a remote PowerShell session, authenticating, and importing Exchange Online PowerShell.

Before running any cmdlet on the mailbox data, you should save the Office 365 mailbox data in a backup to overcome any unwanted situation. If some cmdlet is run on the data wrongly, then it can alter the structure or corrupt the data. Sometimes, you have to delete the mailbox and recreate it again. Kernel Export Office 365 to PST software will take the backup of all mailboxes in offline files, and later you can restore it again to live mailboxes.

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