The content in this article is based on the feature's release version. Please check below for any updates.
▼What is the Access approval management function (formerly: device restriction)?
https://help.teachme.jp/hc/en-us/articles/900005509126
Thank you for using Teachme Biz.
We will renew the device restriction function to make it more user-friendly.
Overview
What is the device restriction function
This is a feature that is premised on the use of the IP address restriction function.
The "device restriction function" allows you to set access from devices (apps) approved by the administrator even from networks other than those allowed by IP address restrictions.
Related: What is the device restriction function?
https://help.teachme.jp/hc/en-us/articles/900005509126
Improvement Overview
- A new method for collecting and registering device IDs will be added
- When accessing only from allowed IP addresses, device ID registration will no longer be required
- The enable/disable settings for the feature will be removed
- The device restriction function will be renamed to "Access approval management" and device ID will be renamed to "Specific code"
Release Date
2025/08/20
Target Plans
- Enterprise
- Teachme Biz Basic Plan
- Any plan + IP Address Restriction Plus
- Any plan + Long-term Contract Benefits 2022 (Access Restriction 3-Set), Long-term Contract Benefits 2022 (Access Restriction 3-Set & SSO)
Supported Applications
Mobile App (iOS/Android ver)
Details
Specifications Before Changes
- Apps without registered device IDs can not access Teachme Biz regardless of whether they are on networks allowed by IP address restrictions. Therefore, it was necessary to register device IDs for all apps, including smartphones and tablets used only within the company network.
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Since apps without registered device IDs are uniformly denied access, the device restriction function itself has enable/disable toggle functionality.
Specifications After Changes
- Even apps without registered device IDs will be able to access Teachme Biz if they are from networks allowed by IP address restrictions.
Therefore, device ID registration will no longer be required for smartphones and tablets used only within the company network. -
Based on the above specifications, the enable/disable toggle for the device restrictions feature will be abolished.
Improvement Points from the Renewal
The burden of managing device restrictions will be reduced.
1. When accessing only from allowed IP addresses, device ID registration will no longer be required
Previously, device ID registration was required even when accessing only from allowed IP addresses.
Going forward, only apps that are used from non-allowed IP addresses, such as when using carrier networks, will need to be registered, reducing the burden of device ID management.
2. The enable/disable settings for the feature will be removed
Previously, there was a risk of being unable to access Teachme Biz if the feature was enabled with unregistered device IDs.
Going forward, access will be possible from allowed IP addresses even without device ID registration, so the enable/disable settings will be removed.
3. A new method for collecting device IDs will be added(Released on August 6, 2025)
Previously, users had to check device IDs and contact administrators, and administrators receiving the contact had to manually register device IDs.
Going forward, device ID collection will be possible simply by having users enter login information in the mobile app and having group administrators approve it on the management screen.
4. Feature Name Changes
From device restriction function to "Access approval management"
Previously, it was a feature that uniformly disabled access from unauthorized devices, so it was called "device restrictions," but since it will become a feature that enables access from non-allowed IP addresses, the feature name will be changed to "Access approval management."
From device ID to "Specific code"
Conventionally, since it is assigned to apps rather than devices, the name has been changed to be more understandable.
How the Renewed Version Will Be Provided
It will be automatically applied after release.
Mobile app updates are not required.
Customer Preparation Required
Basically, none is required.
If you are using device restrictions, your current settings will be automatically maintained with Access approval management.
However, if you have device IDs registered while device restrictions are disabled, please delete the device IDs.
There is a possibility of allowing unintended access after the release.
Frequently Asked Questions
| Question | Answer | |
| 1 | What will happen to already registered device IDs? | They will remain registered. |
| 2 | Will the acquired information also be rewritten when device IDs change to identification codes? | It will not change. Only the name will change, and there are no changes to the device IDs (Specific code) assigned to each app. |
| 3 | Will this affect the use of web browser versions or mobile browser versions? | It will not be affected. |
| 4 | Is application required to use the Access approval management? | It is no longer required with the renewal. * A contract that includes group IP address restrictions is required for use |
Please contact support (support@teachme.jp) with any feature requests, questions, or feedback.
Thank you for your continued support of Teachme Biz.
Update History
2025/08/08 Changed "3. A new method for collecting device IDs will be added" to indicate it has been released.
2025/08/21 Update to show as released.