Set Time Zone for the mailbox with Powershell

Open Powershell As Administrator and connect to Office365  

Set Time Zone for a Mailbox:

Set-MailboxRegionalConfiguration <Identity> -TimeZone <"Time Zone"> 

Example:

Set-MailboxRegionalConfiguration yourmailbox -TimeZone "Pacific Standard Time" 

Set Time Zone + Language for a Mailbox:

Set-MailboxRegionalConfiguration <Identity> -TimeZone <"Time Zone"> –Language <Language Code> 

Example:

Set-MailboxRegionalConfiguration yourmailbox -TimeZone "Pacific Standard Time" –Language en-US  

Display information about Time Zone and Language for a specific user:

Get-MailboxRegionalConfiguration <Identity> 

Example:

Get-MailboxRegionalConfiguration yourmailbox

Display Time zone and Language settings for all users:

$Users = Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox')} $Users | Get-MailboxRegionalConfiguration  

Share meeting room with shared organization

1. $UserCredential = Get-Credential

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

3.  Import-PSSession $Session

4.  Set-CalendarProcessing –Identity calendar@mydomain.com -ProcessExternalMeetingMessages $true

5.  Enjoy!

Manage Distribution Groups

Create Distribution Group

Syntax:

New-DistributionGroup -Name "<Distribution Group Name>" 

Example:

New-DistributionGroup -Name new-group 

Create Distribution Group with settings:

Syntax:

New-DistributionGroup -Name <DL name> -DisplayName <DL display name> -Alias <Alias> -PrimarySmtpAddress <Email Address>

Example:

New-DistributionGroup -Name new-group -DisplayName new-group -Alias new-group  -PrimarySmtpAddress new-group@mydomain.com

Add Users to Distribution Group:

Syntax:

Add-DistributionGroupMember "new-group" -Member vpupkin -BypassSecurityGroupManagerCheck

Example:

Add-DistributionGroupMember "new-group" -Member vpupkin -BypassSecurityGroupManagerCheck

Set Owner of Dustribution Group:

Syntax:

Set-DistributionGroup -Identity "<Distribution Group Name>" –ManagedBy <Identity> -BypassSecurityGroupManagerCheck

Example:

Set-DistributionGroup -Identity new-group –ManagedBy vpupkin  -BypassSecurityGroupManagerCheck

Remove Distribution Group:

Syntax:

Remove-DistributionGroup "<Distribution Group Name>"

Example:

Remove-DistributionGroup new-group

Add Email Aliases for Distribution Group:

Syntax:

Set-DistributionGroup "<Distribution Group Name>" -EmailAddresses SMTP:<Primary Email>,<Alias Email>

Example:

Set-DistributionGroup new-group-EmailAddresses SMTP:new-group@mydomain.com,achtung@mydomain.com

Hide Distribution Group from GAL (Global Address List):

Syntax:

Set-DistributionGroup "<Distribution Group Name>" -HiddenFromAddressListsEnabled $True

Example:

Set-DistributionGroup new-group -HiddenFromAddressListsEnabled $True

Get Information about Distribution Group members:

Syntax:

Get-DistributionGroupMember "Group Name>"

Example:

Get-DistributionGroupMember new-group

Get List of Distribution Groups:

Get-DistributionGroup  

Enjoy!

Deleted Exchange Calendar item keeps coming back

1. Connect to Office365 with Powershell
2. Disable Callendar Repair Assistant with command:    Set-Mailbox vasya@yourdomain.com -CalendarRepairDisabled $true

The Calendar Repair Assistant performs the following functions:

• Detects inconsistencies
• Determines if inconsistencies were intentional
• Corrects inconsistencies 
• Sends a calendar repair update message if a correction was made

       3. Search and Delete required meeting in calendars:    Get-Mailbox -ResultSize unlimited | Search-Mailbox -SearchQuery 'from:"vasya@yourdomain.com" AND kind:meetings AND SUBJECT:"Type your subject"' -DeleteContent -Force

       4. Just for case if you are looking for another content removal:

–SearchQuery kind:contacts

–SearchQuery kind:notes

–SearchQuery kind:tasks

–SearchQuery kind:im

–SearchQuery kind:email

      5. Enjoy!

Exchange Server mailbox permissions with Powershell

Send on Behalf – This will grant testuser user send on behalf permissions for Accounting mailbox:

 Set-Mailbox accounting -GrantSendOnBehalfTo testuser

Send As – This will grant testuser user send as permissions for Accounting mailbox:

Add-ADPermission accounting -ExtendedRights Send-As -user testuser

Full Mailbox Access – This will grant testuser user, full access to Accountng's Mailbox:

Add-MailboxPermission -Identity accounting -User testuser -AccessRights FullAccess -InheritanceType All