I can’t use my credit card or debit cards in some Norway gas stations. Why?

In Norway, some gas stations, particularly those in more rural or remote areas, only accept specific types of payment methods or cards. This issue may occur for several reasons:

1. Lack of International Payment Support

Some gas stations in Norway, especially unmanned or automated ones, may only accept local payment systems or cards that use Norwegian networks like BankAxept, which is commonly used in the country. These stations might not support international debit or credit cards, including Visa, Mastercard, or American Express.

2. Unmanned Stations with Limited Payment Options

Many gas stations in Norway are unmanned, meaning they rely on self-service payment machines, which may not be equipped to handle all card types, particularly foreign cards. Some stations might also require chip and PIN rather than magnetic stripe or contactless payments, which can limit the usability of certain cards.

3. Pre-Authorization Issues

In some cases, foreign cards might fail because gas stations often require a pre-authorization for a certain amount (for example, NOK 1,000 or more) before dispensing fuel. If your bank or card issuer rejects or flags the pre-authorization, the payment might not go through. This can happen especially with prepaid cards or if your card has tight spending limits or restrictions.

4. Card Acceptance Policy

Some gas stations might have specific agreements with certain card issuers. They may only accept particular card brands (e.g., local debit cards) or certain credit card networks, leaving international cardholders unable to pay.

5. Outdated Payment Terminals

In rural areas, gas stations might have older payment terminals that do not support the latest international payment processing systems, leading to card rejections.

Solutions:

  • Carry Cash: Having some Norwegian kroner (NOK) on hand can help, especially in more remote areas.
  • Use Norwegian Payment Apps: Consider downloading local payment apps like Vipps (widely used in Norway) if you plan to stay longer.
  • Plan Ahead: If you know you’re heading to a remote area, check if there are specific payment methods accepted at the gas stations.
  • Check with Your Bank: Inform your bank or card issuer about your travel plans to ensure your card is authorized for foreign transactions and large pre-authorizations.

How to check the size of each mailbox in Microsoft Exchange

To check the size of each mailbox in Microsoft Exchange or Office 365 using PowerShell, follow these steps:

1. Open PowerShell as Administrator

For Office 365, you’ll need to use the Exchange Online PowerShell module.

2. Connect to Exchange Online (Office 365)

Use the following commands to connect to Office 365:

powershellCopy code$UserCredential = Get-Credential
Connect-ExchangeOnline -UserPrincipalName $UserCredential.UserName -ShowProgress $true

If you’re using an on-premises Exchange server, skip this step and proceed with the next.

3. Run PowerShell Commands to Check Mailbox Size

After connecting, use one of the following commands depending on what information you need.

3.1 Check Mailbox Size for All Users

This command will list the mailbox sizes for all users:

powershellCopy codeGet-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Select DisplayName, TotalItemSize, ItemCount | Sort-Object TotalItemSize -Descending
  • DisplayName: Shows the mailbox owner’s name.
  • TotalItemSize: Displays the size of the mailbox.
  • ItemCount: Shows the number of items in the mailbox.

3.2 Check Mailbox Size for a Specific User

To check the mailbox size for a specific user, use their email address:

powershellCopy codeGet-MailboxStatistics -Identity "user@example.com" | Select DisplayName, TotalItemSize, ItemCount

Replace user@example.com with the user’s actual email address.

3.3 Export Mailbox Size to CSV

If you want to export the results to a CSV file for further analysis, use the following command:

powershellCopy codeGet-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Select DisplayName, TotalItemSize, ItemCount | Sort-Object TotalItemSize -Descending | Export-Csv -Path "C:\MailboxSizeReport.csv" -NoTypeInformation

This will generate a CSV file (MailboxSizeReport.csv) in the specified directory.

4. Disconnect from Exchange Online

Once you’ve finished, disconnect from Exchange Online:

powershellCopy codeDisconnect-ExchangeOnline -Confirm:$false

Additional Notes:

  • If you’re using on-premises Exchange, you don’t need to connect to Exchange Online; simply open PowerShell on the Exchange server and use the same Get-MailboxStatistics cmdlet.
  • You can modify the script to filter by date, mailbox database, or other attributes depending on your needs.

Can I delete Windows updates’ installation files? If so, how?

Yes, you can safely delete Windows Update installation files to free up disk space. These files are stored on your system after Windows updates are downloaded and installed. Here’s how to delete them:

Method 1: Using Disk Cleanup

Windows has a built-in tool called Disk Cleanup that you can use to remove Windows Update installation files. Here’s how to do it:

  1. Open Disk Cleanup:
    • Press Windows + S and type Disk Cleanup, then select the app.
  2. Select Drive:
    • Choose the drive where Windows is installed (usually C:) and click OK.
  3. Clean Up System Files:
    • In the Disk Cleanup window, click Clean up system files (you may be prompted for administrator approval).
    • The tool will rescan for system files you can clean.
  4. Select Windows Update Cleanup:
    • Scroll down the list and check the box for Windows Update Cleanup.
    • Optionally, you can also select Delivery Optimization Files and other items you no longer need (such as Temporary Files, Downloaded Program Files, or Recycle Bin contents).
  5. Start Cleanup:
    • Click OK, then Delete Files to start the cleanup process.
    • This will delete old Windows Update files, freeing up disk space.

Method 2: Manually Delete Windows Update Files

You can also manually delete Windows Update files from the SoftwareDistribution folder.

  1. Stop Windows Update Service:
    • Open Command Prompt as Administrator (Windows + X, then select Command Prompt (Admin) or Windows Terminal).
    • Type the following command to stop the Windows Update service:arduinoCopy codenet stop wuauserv
    • Press Enter.
  2. Delete the Update Files:
    • Navigate to C:\Windows\SoftwareDistribution\Download.
    • Select all files and folders within the Download folder and delete them.
    • You can press Ctrl + A to select all, then press Delete.
  3. Restart Windows Update Service:
    • After deleting the files, restart the Windows Update service with the following command:sqlCopy codenet start wuauserv
    • Press Enter.

Method 3: Using Storage Sense (Windows 10/11)

Windows 10 and 11 offer Storage Sense, which automatically manages disk space, including cleaning up old Windows Update files.

  1. Open Storage Settings:
    • Go to Settings > System > Storage.
  2. Turn on Storage Sense:
    • Toggle Storage Sense on. This feature will automatically clean up temporary files, including Windows Update files, when disk space is low.
  3. Configure Storage Sense:
    • Click Configure Storage Sense or run it now.
    • Under Temporary Files, check Delete Windows Update Cleanup and other options as needed.
    • Set the frequency for automatic cleanup.

Important Considerations:

  • Deleting Update Files Will Not Remove Installed Updates: The update files you delete are only temporary installation files. The actual updates applied to your system will remain intact.
  • Reclaiming Space: Deleting Windows Update files can free up several gigabytes of disk space, especially after major updates like feature updates.
  • Backup Important Data: Before performing any large-scale file deletions, it’s always a good practice to back up important data in case something goes wrong.

By following these methods, you can safely delete Windows Update installation files and free up valuable disk space on your system.

Which logs I can delete them manually without shutdown Exchange server?

In Exchange, some logs can be manually deleted without shutting down the server, but it’s important to know which logs are safe to delete and which are critical for system operation. Here’s a breakdown of the types of logs and which ones can be safely deleted:

1. IIS Logs (Safe to Delete)

  • Location: C:\inetpub\logs\LogFiles
  • Purpose: These logs track client requests and server responses for the web-based services in Exchange, such as OWA (Outlook Web App).
  • Safe to Delete: These can be safely deleted as they are purely informational. Deleting them will free up space, but they will be recreated as new logs.

2. Exchange Message Tracking Logs (Safe to Delete)

  • Location: C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\MessageTracking
  • Purpose: These logs provide detailed information on email traffic (who sent, who received, time, etc.).
  • Safe to Delete: You can delete these logs, but they are useful for troubleshooting mail flow issues. If you’re running low on space and don’t need them, you can safely remove older logs.

3. Exchange Protocol Logs (Safe to Delete)

  • Location:
    • Transport logs: C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\ProtocolLog\SmtpSend
    • Receive logs: C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\ProtocolLog\SmtpReceive
  • Purpose: These logs track SMTP communications and are primarily used for diagnosing email issues.
  • Safe to Delete: You can delete older logs if disk space is an issue, but keep in mind they are useful for diagnosing email issues.

4. Exchange Connectivity Logs (Safe to Delete)

  • Location: C:\Program Files\Microsoft\Exchange Server\V15\Logging\HttpProxy\
  • Purpose: These logs track the connection between Exchange and its clients (e.g., Outlook, mobile devices).
  • Safe to Delete: These logs can be deleted, though it may affect your ability to troubleshoot connection problems.

5. Diagnostic Logs (Safe to Delete)

  • Location: C:\Program Files\Microsoft\Exchange Server\V15\Logging\Diagnostics\
  • Purpose: These logs store diagnostic information used to troubleshoot Exchange performance issues.
  • Safe to Delete: You can safely delete older diagnostic logs to free up space.

6. Exchange Transaction Logs (Do NOT Delete Manually)

  • Location: Typically found in the same directory as your .edb database files.
  • Purpose: Transaction logs are critical to the operation of Exchange. They store every change made to the database and are committed to the database during backups.
  • Do NOT Delete Manually: Never delete these logs manually. Doing so can corrupt your database. Instead, let Exchange manage these logs by ensuring regular backups are taken. A backup process will truncate (delete) committed logs.

7. Unified Messaging Logs (Safe to Delete)

  • Location: C:\Program Files\Microsoft\Exchange Server\V15\UnifiedMessaging\voicemail\Logs
  • Purpose: These logs store information related to Exchange’s Unified Messaging service, such as voicemail processing.
  • Safe to Delete: You can delete older logs if they are no longer needed.

Steps to Safely Delete Logs:

  1. Stop Affected Services (Optional): For some logs, like IIS or Message Tracking logs, you may want to temporarily stop the corresponding services before deleting the logs.
  2. Create a Backup: It’s always a good idea to back up any critical logs before deletion, in case they are needed later for troubleshooting.
  3. Automate the Process: Consider setting up a scheduled task to automatically delete old logs to prevent running into space issues again.

Logs You Should Not Manually Delete:

  • Transaction Logs: Managed by the backup process and critical to Exchange functionality.
  • Database Logs: Used for data integrity and cannot be manually removed without risking corruption.

If you’re low on space, you should focus on IIS logs, Message Tracking logs, Protocol logs, and other informational logs, as they are safe to delete manually.