Apple iTunes: Open iTunes Library

To open an iTunes library:

1. Hold down the Shift key before opening iTunes.
2. Click Choose Library.
3. Choose the iTunes folder containing the library file.
   
4. Click Open.
5. Choose the required iTunes Library.itl file.

Lenovo ThinkStation P360 / P Series: Configure Wake-On-LAN

To configure Wake-On-LAN, refer to these Lenovo support articles:

How to enable and test Wake-On-LAN in Windows

How to enable Wake on LAN - ThinkCentre (M Series) and ThinkStation (P Series)

It is necessary to enable Wake-On-LAN in the BIOS. Use the Lenovo Think BIOS Config Tool to enable the Wake-On-LAN BIOS option if connecting remotely / using the computer without a local console.

Lenovo Think BIOS Config Tool

1. Download and extract the BIOS config tool.
2. Set WakeOnLAN to Enabled.
   
3. Click Save Changed Settings.

Retrieve the IP address and MAC address using ipconfig /all and test by using the NirSoft WakeMeOnLan tool.

WakeMeOnLan

STRATO: Unable to email gmail.com / SPF Record

The following DNS SPF record should be configured for domains sending email via the STRATO email platform:

v=spf1 redirect=_spf.strato.com

This resolves an issue whereby STRATO customers are unable to email gmail.com users.

Emails sent to gmail.com are rejected with the following message:

550 5.0.0 host gmail-smtp-in-l.google.com said 5.7.26 This mail is unauthenticated, which poses a security risk to the sender and Gmail users, and has been blocked. The sender must authenticate with at least one of SPF or DKIM. For this message DKIM checks did not pass and SPF check for [Domain] did not pass with IP [IP Address].

Lenovo ThinkPad E14/E15 Gen 2: Rapid battery drain and unable to power on

Lenovo ThinkPad E14/E15 Gen 2 experiences rapid battery drain and is then unable to power on.

Note that this model does not have an emergency pin hole reset button.

To resolve:

1. Disconnect power adapter or USB dock.
   
2. Press and hold power button for at least 60 seconds to complete a power drain.
3. Connect power adapter to begin charging.
   
4. Press the power button once normally to power on.

Lenovo ThinkPad: Retrieve machine type, model (MTM) and serial number with PowerShell

To retrieve a Lenovo ThinkPad machine type, model (MTM) and serial number with PowerShell, run the command:

Get-CimInstance -ClassName Win32_ComputerSystemProduct 

IdentifyingNumber: R00FKF00
Name: 20FB003TUK
Vendor: LENOVO
Version: ThinkPad X1 Carbon 4th

TeamViewer: Disable adverts

 To disable adverts in TeamViewer:

1. Open TeamViewer and select Extras > Options > Advanced > Show advanced options
2. Scroll down and untick In-product marketing messages
   

Alternatively, open a PowerShell prompt and run the following command:

Set-ItemProperty HKCU:\SOFTWARE\TeamViewer -Name ReceiveInAppMessaging -Value 0

Windows: Get last boot up time with PowerShell

To get the last boot up time using PowerShell, run the command:

Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object LastBootUpTime

To get the last boot up time of a remote computer, run the command:

Invoke-Command -ComputerName HOSTNAME -ScriptBlock {Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object LastBootUpTime}

SIP: 476 No Server Address in Contacts Allowed

The message SIP/2.0 476 No Server Address in Contacts Allowed is shown in a SIP packet capture.

To resolve:

Edit the SIP credentials and remove the domain portion from the username.

eg: change username@domain to username.

Avaya IP Office: URI contains invalid FQDN. DNS resolved address does not match the Interface address

The message URI contains invalid FQDN. DNS resolved address does not match the Interface address is displayed when accessing an Avaya IP Office via HTTP using its FQDN.

The message is not shown when accessing the system using its IP address.

Verify the IP Office system has DNS server(s) configured such that it can resolve itself correctly.

To configure DNS:

1. Login to the IP Office system using IP Office Manager.
   
2. Expand System.
3. Select the DNS tab and configure one or more DNS servers.
4. Save the configuration and test.
   

PSCP: ssh_init: Network error: Cannot assign requested address

Unable to transfer file to remote host using PSCP due to the error:

ssh_init: Network error: Cannot assign requested address
 
To resolve:

1. Open PuTTY.
2. Select Default Settings and then Save.
   
   
   
   
3. Close PuTTY.