Notice regarding access to the Academic Computing and Communications Center Building (2026/3/18)

Academic Computing and Communications Center (hereafter referred to as the “A.C.C.C”) Building A will undergo renovations in 2026. During the renovation work, there will be restrictions on the use of the A.C.C.C Computer System Satellite Room.

Room Availablty
A.C.C.C Office Available hours remain the same as current
Weekdays  9:00AM to 12:15PM
13:15PM to 17:00PM
Building A
Room 203, 207
Closed from March 10th until renovations are complete
Building B
Room 205, 206
Closed from March 10th 2026 to April 13th 2026
Available from April 14th, 2026 (planned)

Rooms 205 and 206 (Zengaku Computer System Satellite Rooms) in the A.C.C.C Building B are currently being prepared for use from April 14th, 2026. However, the entrance route will be changed, so we will inform you later.
We appreciate your understanding and cooperation.

On New Teams and SharePoint Group Names

From early February 2026, when creating a new group in Teams, SharePoint, or Outlook (Microsoft 365 Groups), “-group” will be automatically appended to the end of that name.
This change is intended to prevent the creation of inappropriate names and to avoid confusion in management.

For example, new teams named “SpringAclass” and “PRteam-public” are changed to “SpringAclass-group” and “PRteam-public-group”, respectively.

Please be informed that existing teams or groups are not affected by this policy unless you rename the existing ones. Also please note that newly created “public” teams are required to have the suffix “-public” as announced before.

Any question please ask: https://www.cc.tsukuba.ac.jp/wp_e/contact/ees_inquiry/

See also:

VPN service maintenance

The Academic Computing and Communications Center will perform maintenance on the campus-vpn server during the New Year holidays.
For details, please check the website for faculty and staff.

On the closure of the “Download Station” (DS)

As previously announced, the Download Station (hereinafter referred to as “DS”) will cease operations on March 31.

Software currently distributed via DS, except those for which termination has been announced, will be provided on the portal site(https://portal.cc.tsukuba.ac.jp) run by ACCC.
Please log in with your UTID and download from the “Software License” menu.
Note that all software currently provided outside of DS will not be affected by this change.

Attention! The support period for Office 2019 will end in October of R7 (2025). If you are using it, please switch to the M365 version or upgrade to Office 2024 as soon as possible.

Regarding the Enhancement of Microsoft Account Security

In recent years, Microsoft has been strengthening the security settings of Microsoft accounts as part of its policy.

Due to these security enhancements, users may be required to undergo multi-factor authentication (MFA) when signing in to Microsoft 365 (including email, Teams, Office, etc.), regardless of their individual settings.

Therefore, when signing in to Microsoft 365 with your university Microsoft account (@u or @un), if you encounter situations such as:
 Being prompted for multi-factor authentication, or
 Being asked to set up the Authenticator app,
please refer to the following university web pages for assistance.
※ Your UTID and password are required to access it.

▼ When prompted for multi-factor authentication (e.g., when the currently registered phone number is unavailable):
https://portal.cc.tsukuba.ac.jp/member/microsoft365-reset-mfa/

▼ When asked to set up the Authenticator app (for enhanced security, we recommend setting up the Authenticator app or SMS-based phone number authentication):
https://portal.cc.tsukuba.ac.jp/wp-content/uploads/MS365OnlineClassPrepare.pdf(from page 23 onward).
(Although this document is primarily for students, faculty and staff can adapt the instructions as needed.

Regarding Storage Capacity Limits for Microsoft 365

Due to changes in Microsoft’s tenant storage capacity specifications, the storage utilization within our university has become constrained. As of November 2024 approximately 80% of the allocated storage has already been used.
Considering this situation, we will review and revise the storage limits for individual accounts and SharePoint sites in Microsoft-related services. The details decided so far are as follows:

  • Implementation Period : From May 2025 (Reiwa 7)
  • Target Users : Microsoft account holders under the university’s @u/@un domain
  • Affected Services and New Storage Limits Post-Implementation :
    • OneDrive : Faculty/Staff: 100 GB per user, Students: 50 GB per user
    • SharePoint : 100 GB per site*

※Note: A SharePoint site is automatically created for each Teams group. Please check the storage capacity of your Teams-associated SharePoint sites.

Important Notes
  • From May 2025 onwards, any OneDrive or SharePoint exceeding its storage limit will be set to “read-only”.
  • We recommend taking early action during FY2024 to delete unnecessary data.
    After the limits are enforced, any OneDrive or SharePoint exceeding its prescribed limit will become “read-only,” preventing new uploads or file updates. Please back up your essential data and delete unnecessary files in advance.
    (Note: Moving files to the Recycle Bin alone does not delete them. Please ensure complete deletion from the second-stage Recycle Bin.)
Important Notes (Added May 9, 2025)
  • Microsoft does not accept contracts from Individual faculty members.
  • Paid additional storage costs around ¥500,000 per year for 10TB. Even though, the purchased additional storage cannot be limited to the purchaser but shared by all users.

How to Check Storage Usage for OneDrive and SharePoint
Instructions for bulk downloading or deleting data from OneDrive