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TntDrive FAQ


Billing and Licensing

Is there a trial version of TntDrive?

Yes, we provide a trial version. TntDrive includes a fully functional 30-day free trial. Feel free to install it to see how it works for your use case.

How can I purchase TntDrive?

Please use the following link to make your purchase:
https://tntdrive.com/buypro.aspx

Select the required number of licenses and click Continue.

On the checkout page, choose your preferred payment method and follow the instructions to complete your order.

Can I pay by purchase order?

Yes, you can pay by purchase order.

Please use the following link to place your order:
https://sites.fastspring.com/netsdk/product/5931df4be3c2

Select Purchase Order as the payment method and follow the on-screen instructions to generate the invoice.

The license will be sent automatically once the payment is received in full.

Is the TntDrive license a one-time purchase or a subscription?

The TntDrive license is a one-time purchase and is lifetime. Each license includes one year of free upgrades and support.

This means you are eligible for free upgrades and support for one year from your purchase date. You can install all TntDrive versions released within that period.

After the first year, you may continue using your current version indefinitely. If you wish to receive updates and support beyond the first year, you can purchase an additional year of upgrades and support at approximately 60% of the original price.

How does licensing work for auto-scaling environments?

You need to purchase a number of licenses equal to the maximum number of instances you plan to use.

After purchasing, please contact us, and we will merge them into a single license key that you can activate on your base AMI.

Can you provide a quote for 1 TntDrive license?

The price for one TntDrive license is as follows:

Product Unit Price Quantity Total
TntDrive License (1 year of upgrades and support) $59.99 1 $59.99

Please use the following link to make your purchase:
https://sites.fastspring.com/netsdk/product/5931df4be3c2

If you need a formal invoice, please select Purchase Order as the payment method and follow the on-screen instructions to generate the invoice.

I'm unable to pay using American Express.

We are sorry for the inconvenience. Please try our alternative payment processor FastSpring

I paid by wire transfer but haven't received my license. What should I do?

Please allow 2-3 business days for wire transfer payments to be processed.

If you made the wire transfer more than 3 days ago, please resubmit your request via: https://fastspring.com/consumer-support-form/

Attach your wire transfer confirmation or transfer advice so the e-commerce team can locate the payment and process your order.

We apologize for any inconvenience.

How do I activate my license key?

Please follow the steps below to activate your license key:

  • Start TntDrive Dashboard
  • Click Help, then Product Activation
  • Enter your license key into the corresponding text box
  • Click Activate

How do I activate the license offline?

Please follow the steps below to perform offline activation:

  • Click Help, then Product Activation
  • Double-click on the key icon
  • The Offline Activation window will open
  • Follow the on-screen instructions to generate an activation request

Can I activate the TntDrive trial offline?

I'm afraid there is no offline activation for the trial, sorry.

However, we do provide an offline activation procedure for purchased licenses. For more details, see Offline Activation.

You may consider testing TntDrive on a machine with Internet access. If it works well for you, you can purchase a license and activate it offline on your target machine.

We also offer a 30-day money-back guarantee.

How do I transfer my license to another PC?

Please follow the steps below to transfer your license to another PC:

  • Click Help, then Product Activation on the first PC.
  • Click Deactivate Pro license on this computer.
  • Activate your license on the new PC.

If you need us to recover the key associated with the old machine, please open Help, then Product Activation on the old PC and provide us with the Hardware ID.

Is TntDrive licensed per machine or per user?

TntDrive is licensed per machine. You need to obtain a license for each PC.

We offer volume discounts for multi-license orders. You can find more details on the following page: https://tntdrive.com/buypro.aspx.

I just installed TntDrive, but it says the trial is expired.

Please make sure that the TntDrive service ( tntdrive-svc.exe) is allowed to contact the activation server at tntdrive.com on port 443.

This is required to activate the trial.

To allow Internet access for the TntDrive service:

  • Open Windows Firewall and allow Internet access for C:\Program Files (x86)\TntDrive\tntdrive-svc.exe.
  • If you are using a third-party firewall, ensure that the TntDrive service is allowed Internet access as well.

How can I get the TntDrive EULA?
Here is the link to end user license agreement:
https://tntdrive.com/tntdrive-eula.pdf

How does the maintenance upgrade work, and can it be adjusted if I renew early?

Please note that by default, the maintenance period starts from the purchase date. If you would like to purchase it before the expiration of your existing maintenance, please contact us once you complete your order, and we will adjust the dates accordingly.

Can I purchase TntDrive for reselling or on behalf of a customer?

Feel free to purchase the required number of TntDrive licenses for reselling or on behalf of your customer.

You may specify your contact details during the purchase, as the license is not bound to the purchaser.

The license is delivered immediately to the e-mail you specify during the purchase.

Do you have a reseller in my country?

We sell our products through FastSpring, the official reseller of TntDrive software worldwide.

FastSpring operates in all countries, supports multiple local payment methods, and provides all necessary documents and invoices for your purchase.

You may use the following link to place your order:
https://sites.fastspring.com/netsdk/product/5931df4be3c2

We are tax-exempt. Can we place an order without tax?

Please use the following link to request a tax-exempt order link:
https://fastspring.com/consumer-support-form/tax-vat-gst/

We are tax-exempt, but tax was charged. How do we get a refund?

Please use the following form to request a tax refund:
https://fastspring.com/consumer-support-form/tax-vat-gst/

What kind of support do you provide and what is the usual response time?

We provide standard email support. The usual response time is within 24 hours from Monday to Friday.


Errors and Troubleshooting

I downloaded the installer and double-clicked it, but nothing happens.

Windows Server has various security restrictions that may prevent downloaded files from executing. One such feature can lock files, making them unresponsive when opened.

If you downloaded the TntDrive installer but it doesn't start when double-clicked, it is likely blocked by the system. To resolve this, follow these steps:

  1. Right-click the installer file.
  2. Select Properties.
  3. Go to the General tab.
  4. At the bottom, look for a security warning that says the file is blocked.
  5. Check the Unblock checkbox and click Apply.

Once the file is unblocked, you should be able to install TntDrive without issues.

I installed TntDrive and mapped a drive, but it does not appear in Windows Explorer. What should I do?

Please restart your computer. A reboot is mandatory when installing TntDrive for the first time.

For subsequent installations (such as version upgrades), a reboot is usually not required.

What should I do if the TntDrive service does not start on system startup?

You may try the following steps:

  1. Open Control Panel, Administrative Tools, Services.
  2. Find TntDriveService, right-click it, and select Properties.
  3. Set the Startup type to Automatic (Delayed Start).

This should help if the TntDrive service does not start during system startup.

How can I automate the TntDrive service check and restart if it's not running?

You can automate the TntDrive service check and restart using a batch file executed by Windows Task Scheduler every 5 minutes or so. Use the following script:

@echo off
Rem Look for the TntDrive service in the list of started services
net start | find /i "TntDrive"
Rem if not found, start it
if "%%errorlevel%%"=="1" (
   net start "TntDriveService"
)
			

I receive an "Access Denied" error when trying to access my mapped drive. Why?

Access Denied errors are returned by the storage provider when you try to access a bucket or file that your credentials do not have permission to access.

Please ensure that you are using the correct access keys and that they have the necessary permissions to access the bucket.

Unfortunately, this is a permissions issue, and there is nothing to fix on our end. Please verify your credentials and access permissions.

If you are using a limited IAM account, ensure that it has the necessary permissions to interact with the Amazon S3 API.

You may also generate a new set of access keys using these instructions .

I receive the error message:

System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

This error is usually caused by an self-signed, expired or invalid SSL certificate.

Please ensure you are using the correct endpoint for your storage and that the certificate is valid and all intermediate certificates are installed on the client.

If you are using S3-compatible storage, please ensure the path style addressing model is selected:

  1. Open Account properties, Advanced settings
  2. Switch the Addressing model to Path style

You may also try to relax the certificate validation by following these steps:

  1. Start TntDrive
  2. Click Tools, Options
  3. Go to the Advanced tab
  4. Check Bypass SSL/TLS validation
  5. Click Save

Why do I get "System.IO.IOException: Unable to write data to the transport connection: An established connection was aborted by the software in your host machine" error?

This error indicates that the connection was forcibly closed by software running on your machine. Common causes include:

  • A firewall or security software blocking the connection.
  • An antivirus program intercepting and terminating the request.
  • A network proxy or VPN interfering with the connection.
  • TCP/IP stack issues or misconfigured network settings.

To resolve this issue, try the following:

  • Check your firewall, antivirus, or security software logs for blocked connections and create an exception for TntDrive.
  • Temporarily disable antivirus software and test if the issue persists.
  • If using a VPN or proxy, try disabling it and reconnecting.
  • Restart your computer and router to refresh network settings.
  • Run the following command in an elevated Command Prompt to reset your network stack: netsh int ip reset

If the problem continues, check system event logs for any security-related messages that might indicate why the connection is being terminated.

Why do I get "System.IO.IOException: Unable to write data to the transport connection: An existing connection was forcibly closed by the remote host" error?

This error indicates that the remote server unexpectedly terminated the connection. Possible causes include:

  • The storage provider's server closed the connection due to rate limiting, timeouts, or policy enforcement.
  • An expired session or authentication issue.
  • Network congestion or temporary connectivity issues between your machine and the storage provider.
  • The server rejecting the request due to incorrect SSL/TLS settings.

To resolve this issue, try the following:

  • Check the service status of your storage provider to see if they are experiencing downtime or issues.
  • Ensure your network connection is stable and retry the operation.
  • Try reducing the number of concurrent connections if your storage provider enforces rate limits. Check Tools, Options, Queueing to adjust the number of concurrent transfers.
  • Check your credentials and authentication settings.
  • Verify that you are using the correct SSL/TLS settings. If you recently disabled TLS 1.0/1.1, make sure your storage provider supports TLS 1.2 or higher.
  • Restart your router and system to refresh network settings.

If the problem persists, check the system event logs for additional error details, or try connecting from another network to rule out ISP-related issues.

Why do I see "NotFound: The remote server returned: (404) Not Found" messages in TntDrive?

This is expected behavior and should not be considered an error.

These messages indicate that Windows is checking whether a file exists, and Amazon S3 is returning a 404 Not Found response when the file does not exist.

File existence checks are a normal part of many file operations, including opening, reading, or creating files.

I receive the error message

"NoSuchBucket: The specified bucket does not exist"

This error message is returned by the storage when you are trying to access a bucket that does not exist.

Please ensure you have specified the correct bucket name.

I receive error messages:

SignatureDoesNotMatch: The request signature we calculated does not match the signature you provided. Check your key and signing method.

InvalidAccessKeyId: The AWS Access Key Id you provided does not exist in our records.

Please check your Access Key ID and Secret Access Key. Copy them directly from your AWS profile, ensuring there are no leading or trailing whitespaces.

You can also generate a new set of keys using these instructions: https://tntdrive.com/where-do-i-get-my-access-keys.aspx#create-iam-user-and-keys

I receive error messages:

System.Xml.XmlException: The 'meta' start tag on line 26 position 3 does match the end tag of 'head'. Line 30, position 3.

System.Xml.XmlException: 'doctype' is an unexpected token. The expected token is 'DOCTYPE'. Line 1, position 3.

According to the error message, invalid XML was received from the server.

The most common reason for this is a router or proxy requiring authentication. Please ensure you can access the internet from your browser.

Try opening Tools > Options > Connection and set the Proxy settings to Autodetect mode.

If you are working with S3-compatible storage, another possible reason could be an incorrect storage endpoint, causing it to return an HTML page instead of an XML storage response.

I receive the error message:

System.Net.WebException: Unable to connect to the remote server.

Network errors usually indicate issues with the Internet connection or temporary issues with the storage. Sometimes, it could be caused by Anti-Virus or Firewall software on your PC, or a hardware router that might need to be rebooted to fix the issue.

Try temporarily disabling any security software to see if it causes issues. If you are connected through a router, try rebooting it or disconnecting and reconnecting.

If you are working with S3-Compatible storage, please ensure the correct endpoint is specified and accessible through the web browser.

I receive the error message:

NotSignedUp: Your account is not signed up for the S3 service. You must sign up before you can use S3.

Please open https://aws.amazon.com/s3 and sign up for the S3 service.

I am having problems copying large files. The copy does not finish.

Please open Tools, Options, Advanced and set Folder for temporary files to a local location with sufficient free space.

The temporary location must have at least as much free space as the file you are copying to Amazon S3 via TntDrive.

I'm using it with IIS, but I get a 404 error. What should I do?

This is a known issue with IIS due to filename case sensitivity.

Filenames on Amazon S3 are case-sensitive, meaning that FileName.ext and FILENAME.EXT are considered different files.

IIS, however, often attempts to access files using uppercase letters. For example, it may request FILENAME.EXT even if the actual filename is FileName.ext.

To work around this issue, ensure that all filenames and paths on Amazon S3 are in uppercase format. For example:

FOLDER/SUBFOLDER/FILENAME.EXT

I uploaded a file through a third-party tool or via code, but the changes are not reflected on the mapped drive. Why?

TntDrive caches file information to reduce the number of requests and improve performance when working with a virtual drive.

When a file is modified outside of TntDrive, there is no automatic way to detect these changes and update the file information accordingly.

You may try disabling file information caching in Advanced Drive Properties.

To disable caching:

  1. Click the Edit button on the mapped drive.
  2. Click the Advanced Properties link.
  3. Go to the Caching tab and disable caching.

Another approach is to decrease the time-to-live (TTL) for cached items so the cache updates more frequently.

You can also reset the cache manually by navigating to Tools, Reset Cache.


Security and Compliance

Where is my data stored, and does TntDrive have access to it?

Your data is stored on the storage of your choice. TntDrive is simply a client program that helps you access your data from the storage you select.

TntDrive ensures that the data you work with is only sent to its intended destination, such as S3 endpoints. It does not redirect your data elsewhere.

The TntDrive team does not have access to view the content or files you store or transfer to/from your S3 storage.

Does the program "call home"? Is any data sent to tntdrive.com?

During new version checks, trial check, license activation/deactivation, the following data is sent to tntdrive.com:

  • Software version string (e.g., "6.0.9")
  • CPU architecture ("x86" or "x64")
  • Randomly generated installation ID
    (e.g., "1a79a4d60de6718e8e5b326e338ae533")
  • MD5 hash of your License key
  • Public IP address of the machine

All these transmissions are optional and can be disabled:

  • New version checks can be turned off in Tools > Options > General
  • There is an offline procedure for license key activation/deactivation.

How are my credentials stored in TntDrive?

TntDrive is designed to run in unattended mode, meaning user interactions are limited. For this reason, we do not offer a master password option like in S3 Browser.

Your credentials are stored in encrypted form (AES-256) on the disk. However, a hard-coded encryption password is used, which means this method should not be considered 100% secure. If someone gains access to your disk, they may be able to recover the access keys.

To enhance security, we strongly recommend using fine-grained access control keys. Only allow access to the specific resources you plan to work with and grant the minimal necessary set of permissions.

Never use your root AWS credentials. Instead, create an IAM user with the necessary permissions.

For best security practices, refer to: AWS IAM Best Practices .

What endpoints does TntDrive use to access Amazon S3?

It uses the following endpoints to access Amazon S3:

s3.dualstack.<region-code>.amazonaws.com - port 80 or 443

<bucket-name>.s3.dualstack.<region-code>.amazonaws.com - port 80 or 443

If you need AWS IP ranges, please check this link:
https://docs.aws.amazon.com/vpc/latest/userguide/aws-ip-ranges.html

To activate/deactivate the license, it needs access to tntdrive.com at port 443

Do you have ISO 27001, ISO 27002, ISO 27005, ISO 27017, ISO 27018, ISO 27701, ISO 22301, ISO 9001, SOC 2, NIST CSF, COBIT, PCI-DSS, HIPAA, GDPR, Cyber Essentials, and CIS Controls certificates?

No, we do not have these certificates, sorry.

Although we haven't pursued formal certification, we strive to meet the high standards set by ISO27001 and other standard to ensure the confidentiality, integrity, and availability of our information assets. Our focus remains on safeguarding our systems and data, and we continuously work towards strengthening our security practices in line with industry standards.


Access, Permissions and Sharing

How can I automatically modify ACL during upload to make files public?

If you need automatic ACL modification during upload, please consider the following solution:

1. Click Tools, Default HTTP Headers

2. Add a new Default HTTP Header:

  • bucket name: <YOUR-BUCKET-NAME>
  • remote file name mask: *
  • header name: x-amz-acl
  • header value: public-read

3. Open Tools, Options, General and turn off the following options:

  • "Inherit permissions from parent bucket"
  • "Preserve permissions when overwriting existing files"

Another approach is to use Bucket Policies to configure the bucket in a way that all existing and new files will be publicly available: https://s3browser.com/working-with-amazon-s3-bucket-policies.aspx

Here is the bucket policy you can apply:

{
  "Version": "2008-10-17",
  "Statement": [
    {
      "Sid": "AllowPublicRead",
      "Effect": "Allow",
      "Principal": {
        "AWS": "*"
      },
      "Action": [
        "s3:GetObject"
      ],
      "Resource": [
        "arn:aws:s3:::your_bucket_name/*"
      ]
    }
  ]
}

How can I access my Amazon S3 bucket using an Access Point?

You can connect to an S3 Access Point by using its alias. For more details, refer to: Amazon S3 Access Points - Alias .

You may use the alias as the bucket name when mapping the bucket .

What are the minimal set of IAM permissions required to map the drive?

Please use the following IAM policy:

{
	  "Statement": [
	  {
		"Effect": "Allow",
		"Action": [
		  "s3:GetBucketLocation", 
		  "s3:ListBucket"
		],
		"Resource": "arn:aws:s3:::sample-bucket-name",
		"Condition": {}
	  },
	  {
		"Effect": "Allow",
		"Action": [
		  "s3:GetObject", 
		  "s3:DeleteObject", 
		  "s3:PutObject"
		],
		"Resource": "arn:aws:s3:::sample-bucket-name/*",
		"Condition": {}
	  }]
	}

Be sure to replace sample-bucket-name with your actual bucket name.


Other technical questions

Does TntDrive continue running when I log out, or does it require an active session?

TntDrive runs as a service, ensuring that your mapped drive remains available even if no one is logged into the server.

The TntDrive service is automatically installed during setup and starts automatically when the system boots.

You can close the TntDrive Dashboard and log out; the TntDrive service will continue running in the background.

Where can I find TntDrive log files?

You can find the log files in the following location:

%ProgramData%\TntDrive\Logs
        

Note: %ProgramData% is a hidden folder. You can access it by pasting the path into the Windows Explorer address bar or the Win + R dialog.

Can I transfer TntDrive settings to a new machine?

Yes, you can transfer TntDrive settings by copying the configuration files from:

%ProgramData%\TntDrive
        

Note: The %ProgramData% folder is hidden. You can access it by pasting the path into the Windows Explorer address bar or the Win + R dialog.

Before copying the files to the new machine, stop the TntDrive service.

After copying the files, restart the TntDrive service on the new machine.

Can I map the same bucket from multiple computers?

Yes, you can map the same bucket from multiple computers. However, to avoid conflicts, you need to disable caching in Advanced Drive Properties.

To disable caching:

  1. Click the Edit button on the mapped drive.
  2. Click the Advanced Properties link.
  3. Go to the Caching tab and disable caching.

Another approach is to decrease the time-to-live (TTL) for cached items so the cache updates more frequently.

You can also reset the cache manually by navigating to Tools, Reset Cache.

Why is the mapped drive size 512 TB? Does this affect AWS charges?

The 512 TB size is displayed for cosmetic purposes, and there are no actual limitations on storage.

Most cloud storage providers offer virtually unlimited space, but Windows Explorer requires a specific value for the drive size. Since it cannot display "infinite" storage, TntDrive reports the drive size as 512 TB.

You are only charged for the space that you actually use.

Is there a way to report the free drive space correctly?

Currently, there is no single API call to retrieve the bucket size. Calculating the bucket size requires enumerating all objects in the bucket, which can be time-consuming and costly (as AWS charges for requests and traffic).

For this reason, we have not added this feature to TntDrive at this time.

Is there a file size limit in TntDrive?

TntDrive does not impose any limits on file size.

However, TntDrive uses a local cache during uploads. If you need to upload a large file (e.g., 200 GB), you must have at least the same amount of free space available on your local drive.

Once the upload is complete, the local cache file is automatically removed.

You can change the temporary folder location in Tools, Options, Advanced.

Can I copy files on the server side using TntDrive?

It is not possible to copy files on the server side using TntDrive.

TntDrive processes requests sent by Windows. When you copy a file, Windows sends ReadFile and WriteFile requests. There is no way to detect the copy operation and perform it directly on the server side.

If you need to copy files on the Amazon S3 side, we recommend using S3 Browser.

For detailed instructions, refer to: How to copy or move files between Amazon S3 buckets .

Is TntDrive able to mount a Glacier or Deep Archive bucket?

Yes, but only in write-only mode.

If you need to download a file stored under the GLACIER or DEEP_ARCHIVE storage class, you must first request the file retrieval.

Currently, you can use S3 Browser to request files stored under the GLACIER or DEEP_ARCHIVE storage class. Once the files are restored, you can download them via TntDrive or S3 Browser.

Can I access the TntDrive network drive from other computers on my local network?

Yes, the network drive created by TntDrive should be accessible over the local network.

You can access it using the following path:

\\machine_name\bucket_name

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