Powershell – Exchange Server 2013 on Server 2012 R2 Exchange Management Shell cant connect to Exchange Server

You are getting the error because you cannot set the description field using Set-User. This is an exchange CMDLET which does not allow for modification of that attribute. To modify the description attribute, you will need to use Set-ADUser. This is available in the Active Directory module. You can Import the Active Directory module using Import-module activedirectory. Something like this should help:

Import-Module ActiveDirectory
Set-ADUser -Company $companyname -Department $department -title $title -Manager $manager -officephone $phone -office $office -description $description

You will still need to set the "notes" attribute using Set-User.

There are some built-in PowerShell cmdlets that may help in your troubleshooting. There is Test-OutlookConnectivity, and a few others.

To list all the test cmdlets, open the Exchange Management Shell on your server(s) and type get-command Test- . Probably a good idea to run them all and see what turns up.

The output is sometimes more readable if you enter them as follows.

Test-OutlookConnectivity | ft -autosize

Try without the | ft -autosize to show full details.