PowerShell: Find Computers Last Logon Date
Oct23

PowerShell: Find Computers Last Logon Date

KB ID 0001612 Problem I had to find the last time a particular server had logged on for a client the other week, so we knew for sure it was dead! Solution The two commands you may need are; Locate Servers Last Login Time Get-ADComputer -Filter {OperatingSystem -Like ‘*SERVER’} -Properties lastlogondate,operatingsystem | Select name,laslogondate,operatingsystem Locate Clients Last Login Time Get-ADComputer -Filter...

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Hybrid Exchange: ‘Mailbox Delegation’ Missing?
Oct11

Hybrid Exchange: ‘Mailbox Delegation’ Missing?

KB ID 0001607 Problem This was asked on EE this morning, if you are on a Hybrid Exchange environment then you cannot allocate Mailbox Delegation to an Office365 mailbox; However you can add ‘Mailbox Delegation’ to a ‘local mailbox’. This is completely normal behaviour, to allocate mailbox delegation permissions to your Office 365 mailboxes, you need to use PowerShell. Managing Mailbox Delegation Permissions in...

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PowerCLI: Connect-VIServer Certificate Errors
Oct07

PowerCLI: Connect-VIServer Certificate Errors

KB ID 0001603 Problem When attempting to connect to a vCenter or ESXi host, you see the following error;   Connect-VIServer : {Date} {Time} Connect-VIServer Error: Invalid server certificate. Use Set-PowerCLIConfiguration to set the value for the InvalidCertificateAction option to Prompt if you’d like to connect once or to add a permanent exception for this server. Additional Information: Could not establish trust relationship...

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Forcing Azure AD Connect Sync
Aug29

Forcing Azure AD Connect Sync

KB ID 0001590 Problem If you are using Azure AD Connect, (AAD Connect) to sync your on-premise Active Directory with Azure AD (i.e. for Office 365), then there may be times when you need to manually ‘force a replication’ because by default it’s going to take 30 minutes between each normal ‘delta replication’ Solution If you are directly on the server that’s running Azure AD connect, then use the...

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PowerShell: Add All Members of an OU to a Security Group
Aug28

PowerShell: Add All Members of an OU to a Security Group

KB ID 0001589 Problem I’ve written in the past about ‘Bulk Adding Users from CSV files, into Groups’. But what if you want to add ALL users in a particular OU into a security group? Solution The syntax is; Get-ADUser -SearchBase ‘OU=Source-OU,OU=PNL,DC=pnl,DC=com’ -Filter * | ForEach-Object {Add-ADGroupMember -Identity ‘SG-Test-Group’ -Members $_ } Here I’ve got 20 users that need adding to a group, in this...

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PowerCLI: vMotion Multiple VMs
Aug23

PowerCLI: vMotion Multiple VMs

KB ID 0001585 Problem vMotioning one VM is pretty simple to do; Get-VM VM1 | Move-VM -Destination (Get-VMHost ESX-02.pnl.com) And moving ALL the VMs on one host, to another is pretty straight forward also; Get-VMHost ESX-01.pnl.com | Get-VM | Move-VM -Destination (Get-VMHost ESX-02.pnl.com) But what if you have a list of VMs you want to move, and you are too lazy, (sorry too skilled), do do them manually or one at a time? Solution...

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