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Experiencing disruptions

Disruptions

Since Friday, August 28, 2026 2:21 pm

HPC login

Fault: HPC →

For security reasons, access to HPC is currently restricted.

Thank you for your understanding.

Since Friday, August 28, 2026 8:03 am

Shared Storage

Error: CEPH group drives →

There are currently restrictions on the use of shared drives (Ceph).

We are already working with external support to find a solution; we ask for your…

Since Tuesday, July 7, 2026 7:00 am

Shared Storage

[Update] Malfunction: CEPH Storage System →

[Update] CEPH-SMB is partly available again.

Currently, CEPH-based shared drives (ceph-smb and cephnfs) are not available.

We are already working hard…

Since Friday, July 3, 2026 2:12 pm

Shared Storage

Category 'Institution Data' has limited functionality for shared drives →

For shared drives in the “Institute Data” category, NFS shares are currently only partially functional. We are working on a solution.

Since Wednesday, June 3, 2026 4:57 pm

Shared Storage

Malfunction: Group Drives
SMB →

Unfortunately, SMB drives are currently not available to the data gateway.

Since Monday, May 18, 2026 8:00 am

Enterprise Cloud Research Cloud

[Update] Virtual Machines: Bootloop on Debian 12 after an update →

Update, 27-Aug-2026: To ensure that GRUB is reliably installed on the system hard drive during future updates, please follow the instructions in the…

Active Maintenances and Restrictions

Since Monday, August 24, 2026 8:00 am

Other messages

Service Desk: Limited phone availability from August 24 to 28, 2026 →

During the week of August 24–28, 2026, the Service Desk will be available by phone daily starting at 9:00 a.m. and only until 3:00 p.m.

Since Friday, August 14, 2026 12:00 pm

Video / telephone conferences

BigBlueButton: New editor for shared notes (Update 14.08.2026) →

Update 14.08.2026:
Due to a security vulnerability, the update is being brought forward.

Starting August 19, 2026 August 14, 2026, the built-in…

Since Thursday, August 13, 2026 8:00 am

E-mail

OWA Light remains permanently disabled →

Microsoft has decided to permanently disable the simplified web interface, OWA Light, with the 08/2026 security update. There are no plans to…

Since Thursday, July 23, 2026 10:26 am

Other messages

Certificate Note: Terminal Server, Office Collection →

If you receive a certificate-related error message when connecting to the Office Collection on the TUD terminal server via…

Since Monday, May 11, 2026 8:00 am

Chat service

Matrix: Element Desktop is unusable on Windows [UPDATE2] →

[UPDATE2]

Version 1.12.25 of Element Desktop includes a bug fix.

[/UPDATE2]

Currently, some users are seeing the following error message in Element…

Since Friday, May 8, 2026 1:21 pm

Telephony

Note: The Cisco User Portal is available only in English. →

On the Cisco user portal at https://voip-settings.zih.tu-dresden.de/ucmuser/, the interface is currently only available in English, even though the…

Since Thursday, May 7, 2026 2:00 pm

Network connection

Error: WIK data connection →

Due to construction work, there is currently no internet connection available in the WIK building.

Unfortunately, we cannot provide any information…

Since Thursday, February 5, 2026 12:24 pm

E-mail

Outlook: Email search function →

There are currently some limitations with the email search function in Outlook.

We are currently working to resolve this issue on a case-by-case…

Since Wednesday, January 21, 2026 7:22 am

E-mail

Outlook - Email login screen hinders Outlook usage →

If a login screen appears while using Outlook, leave this screen open until you see that all folders have been updated in the background (visible in…

Future Maintenances

from Wednesday, September 2, 2026 7:00 am till Wednesday, September 2, 2026 9:00 am

Ticket system

Maintenance: Ticket system, 10-Sep-2026, 7:00 a.m. to 9:00 a.m. →

Due to maintenance work, the ticket system and FAQ portal will be unavailable on Wednesday, September 2, 2026, from 7:00 a.m. to 9:00 a.m.

from Wednesday, September 2, 2026 6:00 pm till Wednesday, September 2, 2026 6:30 pm

Telephony

Maintenance: VoIP system, 02.09.2026 18:00-18:30 →

On Wednesday, September 2, maintenance work will be performed on the VoIP system starting at 6:00 p.m. For approximately 30 minutes - barring…

from Thursday, September 3, 2026 4:00 pm till Thursday, September 3, 2026 7:00 pm

Other messages SAP

Maintenance: DMS, September 3, 2026, 4:00 p.m. – 7:00 p.m. →

Maintenance work will be performed on the DMS (installation of DMS updates) on Thursday, September 3, 2026, from 4:00 p.m. to 7:00 p.m.

The system…

from Monday, September 7, 2026 4:00 pm till Monday, September 7, 2026 10:00 pm

WLAN/Eduroam

Maintenance: Wi-Fi infrastructure, 7 September 2026, 16:00–22:00 →

Updates to the Wi-Fi infrastructure are scheduled for Monday, 7 September 2026. The work will take place between 4 pm and 10 pm.
There will be brief…

Service Status Overview

Data Network and Network Services

DNS (name resolution) ✅ Operational

Firewall at the transition to the campus network ✅ Operational

Network connection [7]disruptions in the last 2 weeks ✅ Operational

VPN access [7]disruptions in the last 2 weeks ✅ Operational

WLAN/Eduroam [3]disruptions in the last 2 weeks 🛠️ Maintenance

Time display ✅ Operational

Central IP address management ✅ Operational

High-Performance Computing (HPC)

HPC job monitoring [1]disruptions in the last 2 weeks ✅ Operational

HPC login [5]disruptions in the last 2 weeks ⚠️ Disrupted

HPC project applications ✅ Operational

HPC project management ✅ Operational

HPC interim archive [1]disruptions in the last 2 weeks ✅ Operational

IT Security, Authentication and Authorization

Group management [2]disruptions in the last 2 weeks ✅ Operational

OpenLDAP service ✅ Operational

Single sign-on (Shibboleth) [9]disruptions in the last 2 weeks ✅ Operational

Directory services (Active Directory / LDAP) [3]disruptions in the last 2 weeks ✅ Operational

Central management of PC workstations / PC pools ✅ Operational

ZIH login [5]disruptions in the last 2 weeks ✅ Operational

Passwork [2]disruptions in the last 2 weeks ✅ Operational

Communication and Collaboration

Chat service [6]disruptions in the last 2 weeks ✅ Operational

E-mail [26]disruptions in the last 2 weeks 🛠️ Maintenance

Function logins [1]disruptions in the last 2 weeks ✅ Operational

Guest logins [1]disruptions in the last 2 weeks ✅ Operational

Intranet [3]disruptions in the last 2 weeks ✅ Operational

Mailing lists ✅ Operational

Mail Forwarding portal ✅ Operational

Room, resource and distributed mailboxes, distribution groups ✅ Operational

Remote Support ✅ Operational

SharePoint [3]disruptions in the last 2 weeks ✅ Operational

Telephony [19]disruptions in the last 2 weeks 🛠️ Maintenance

Ticket system [4]disruptions in the last 2 weeks 🛠️ Maintenance

Video / telephone conferences [8]disruptions in the last 2 weeks 🛠️ Maintenance

Server Services

Service monitoring ✅ Operational

Enterprise Cloud [12]disruptions in the last 2 weeks ⚠️ Disrupted

Research Cloud [9]disruptions in the last 2 weeks ⚠️ Disrupted

Server Housing [1]disruptions in the last 2 weeks ✅ Operational

SSH Terminal/Login Service [1]disruptions in the last 2 weeks ✅ Operational

Software and Licenses

Procurement of software ✅ Operational

Purchase of software ✅ Operational

Shared software usage (license service) [1]disruptions in the last 2 weeks ✅ Operational

Storage and Data Management

Backup [13]disruptions in the last 2 weeks ✅ Operational

Datashare (Cloudstore) [8]disruptions in the last 2 weeks ✅ Operational

Shared Storage [21]disruptions in the last 2 weeks ⚠️ Disrupted

Home drive [2]disruptions in the last 2 weeks ✅ Operational

Object storage [3]disruptions in the last 2 weeks ✅ Operational

OpARA - Archiving and publication of research data [2]disruptions in the last 2 weeks ✅ Operational

CIDS/ZIHOperational state

Experiencing disruptions

Disruptions

Since Friday, August 28, 2026 2:21 pm HPC login Fault: HPC → For security reasons, access to HPC is currently restricted. Thank you for your understanding.

Since Friday, August 28, 2026 8:03 am Shared Storage Error: CEPH group drives → There are currently restrictions on the use of shared drives (Ceph). We are already working with external support to find a solution; we ask for your…

Since Tuesday, July 7, 2026 7:00 am Shared Storage [Update] Malfunction: CEPH Storage System → [Update] CEPH-SMB is partly available again. Currently, CEPH-based shared drives (ceph-smb and cephnfs) are not available. We are already working hard…

Since Friday, July 3, 2026 2:12 pm Shared Storage Category 'Institution Data' has limited functionality for shared drives → For shared drives in the “Institute Data” category, NFS shares are currently only partially functional. We are working on a solution.

Since Wednesday, June 3, 2026 4:57 pm Shared Storage Malfunction: Group Drives SMB → Unfortunately, SMB drives are currently not available to the data gateway.

Since Monday, May 18, 2026 8:00 am Enterprise Cloud Research Cloud [Update] Virtual Machines: Bootloop on Debian 12 after an update → Update, 27-Aug-2026: To ensure that GRUB is reliably installed on the system hard drive during future updates, please follow the instructions in the…

Active Maintenances and Restrictions

Since Monday, August 24, 2026 8:00 am Other messages Service Desk: Limited phone availability from August 24 to 28, 2026 → During the week of August 24–28, 2026, the Service Desk will be available by phone daily starting at 9:00 a.m. and only until 3:00 p.m.

Since Friday, August 14, 2026 12:00 pm Video / telephone conferences BigBlueButton: New editor for shared notes (Update 14.08.2026) → Update 14.08.2026: Due to a security vulnerability, the update is being brought forward. Starting August 19, 2026 August 14, 2026, the built-in…

Since Thursday, August 13, 2026 8:00 am E-mail OWA Light remains permanently disabled → Microsoft has decided to permanently disable the simplified web interface, OWA Light, with the 08/2026 security update. There are no plans to…

Since Thursday, July 23, 2026 10:26 am Other messages Certificate Note: Terminal Server, Office Collection → If you receive a certificate-related error message when connecting to the Office Collection on the TUD terminal server via…

Since Monday, May 11, 2026 8:00 am Chat service Matrix: Element Desktop is unusable on Windows [UPDATE2] → [UPDATE2] Version 1.12.25 of Element Desktop includes a bug fix. [/UPDATE2] Currently, some users are seeing the following error message in Element…

Since Friday, May 8, 2026 1:21 pm Telephony Note: The Cisco User Portal is available only in English. → On the Cisco user portal at https://voip-settings.zih.tu-dresden.de/ucmuser/, the interface is currently only available in English, even though the…

Since Thursday, May 7, 2026 2:00 pm Network connection Error: WIK data connection → Due to construction work, there is currently no internet connection available in the WIK building. Unfortunately, we cannot provide any information…

Since Thursday, February 5, 2026 12:24 pm E-mail Outlook: Email search function → There are currently some limitations with the email search function in Outlook. We are currently working to resolve this issue on a case-by-case…

Since Wednesday, January 21, 2026 7:22 am E-mail Outlook - Email login screen hinders Outlook usage → If a login screen appears while using Outlook, leave this screen open until you see that all folders have been updated in the background (visible in…

Future Maintenances

from Wednesday, September 2, 2026 6:00 pm till Wednesday, September 2, 2026 6:30 pm Telephony Maintenance: VoIP system, 02.09.2026 18:00-18:30 → On Wednesday, September 2, maintenance work will be performed on the VoIP system starting at 6:00 p.m. For approximately 30 minutes - barring…

Service Status Overview

Data Network and Network Services

DNS (name resolution) ✅ Operational

Firewall at the transition to the campus network ✅ Operational

Network connection [7]disruptions in the last 2 weeks ✅ Operational

VPN access [7]disruptions in the last 2 weeks ✅ Operational

WLAN/Eduroam [3]disruptions in the last 2 weeks 🛠️ Maintenance

Time display ✅ Operational

Central IP address management ✅ Operational

High-Performance Computing (HPC)

HPC job monitoring [1]disruptions in the last 2 weeks ✅ Operational

HPC login [5]disruptions in the last 2 weeks ⚠️ Disrupted

HPC project applications ✅ Operational

HPC project management ✅ Operational

HPC interim archive [1]disruptions in the last 2 weeks ✅ Operational

IT Security, Authentication and Authorization

Group management [2]disruptions in the last 2 weeks ✅ Operational

OpenLDAP service ✅ Operational

Single sign-on (Shibboleth) [9]disruptions in the last 2 weeks ✅ Operational

Directory services (Active Directory / LDAP) [3]disruptions in the last 2 weeks ✅ Operational

Central management of PC workstations / PC pools ✅ Operational

ZIH login [5]disruptions in the last 2 weeks ✅ Operational

Passwork [2]disruptions in the last 2 weeks ✅ Operational

Communication and Collaboration

Chat service [6]disruptions in the last 2 weeks ✅ Operational

E-mail [26]disruptions in the last 2 weeks 🛠️ Maintenance

Function logins [1]disruptions in the last 2 weeks ✅ Operational

Guest logins [1]disruptions in the last 2 weeks ✅ Operational

Intranet [3]disruptions in the last 2 weeks ✅ Operational

Mailing lists ✅ Operational

Mail Forwarding portal ✅ Operational

Room, resource and distributed mailboxes, distribution groups ✅ Operational

Remote Support ✅ Operational

SharePoint [3]disruptions in the last 2 weeks ✅ Operational

Telephony [19]disruptions in the last 2 weeks 🛠️ Maintenance

Ticket system [4]disruptions in the last 2 weeks 🛠️ Maintenance

Video / telephone conferences [8]disruptions in the last 2 weeks 🛠️ Maintenance

Server Services

Service monitoring ✅ Operational

Enterprise Cloud [12]disruptions in the last 2 weeks ⚠️ Disrupted

Research Cloud [9]disruptions in the last 2 weeks ⚠️ Disrupted

Server Housing [1]disruptions in the last 2 weeks ✅ Operational

SSH Terminal/Login Service [1]disruptions in the last 2 weeks ✅ Operational

Software and Licenses

Procurement of software ✅ Operational

Purchase of software ✅ Operational

Shared software usage (license service) [1]disruptions in the last 2 weeks ✅ Operational

Storage and Data Management

Backup [13]disruptions in the last 2 weeks ✅ Operational

Datashare (Cloudstore) [8]disruptions in the last 2 weeks ✅ Operational

Shared Storage [21]disruptions in the last 2 weeks ⚠️ Disrupted

Home drive [2]disruptions in the last 2 weeks ✅ Operational

Object storage [3]disruptions in the last 2 weeks ✅ Operational

OpARA - Archiving and publication of research data [2]disruptions in the last 2 weeks ✅ Operational

Central University Administration

Research information system ✅ Operational

SAP [8]disruptions in the last 2 weeks 🛠️ Maintenance

Selma [7]disruptions in the last 2 weeks ✅ Operational

WebCMS (tu-dresden.de) [1]disruptions in the last 2 weeks ✅ Operational

CIDS/ZIH
Operational state

Since Friday, August 28, 2026 2:21 pm

HPC login

Fault: HPC →

For security reasons, access to HPC is currently restricted.

Thank you for your understanding.

Since Friday, August 28, 2026 8:03 am

Shared Storage

Error: CEPH group drives →

There are currently restrictions on the use of shared drives (Ceph).

We are already working with external support to find a solution; we ask for your…

Since Tuesday, July 7, 2026 7:00 am

Shared Storage

[Update] Malfunction: CEPH Storage System →

[Update] CEPH-SMB is partly available again.

Currently, CEPH-based shared drives (ceph-smb and cephnfs) are not available.

We are already working hard…

Since Friday, July 3, 2026 2:12 pm

Shared Storage

Category 'Institution Data' has limited functionality for shared drives →

For shared drives in the “Institute Data” category, NFS shares are currently only partially functional. We are working on a solution.

Since Wednesday, June 3, 2026 4:57 pm

Shared Storage

Malfunction: Group Drives
SMB →

Unfortunately, SMB drives are currently not available to the data gateway.

Since Monday, May 18, 2026 8:00 am

Enterprise Cloud Research Cloud

[Update] Virtual Machines: Bootloop on Debian 12 after an update →

Update, 27-Aug-2026: To ensure that GRUB is reliably installed on the system hard drive during future updates, please follow the instructions in the…

Since Monday, August 24, 2026 8:00 am

Other messages

Service Desk: Limited phone availability from August 24 to 28, 2026 →

During the week of August 24–28, 2026, the Service Desk will be available by phone daily starting at 9:00 a.m. and only until 3:00 p.m.

Since Friday, August 14, 2026 12:00 pm

Video / telephone conferences

BigBlueButton: New editor for shared notes (Update 14.08.2026) →

Update 14.08.2026:
Due to a security vulnerability, the update is being brought forward.

Starting August 19, 2026 August 14, 2026, the built-in…

Since Thursday, August 13, 2026 8:00 am

E-mail

OWA Light remains permanently disabled →

Microsoft has decided to permanently disable the simplified web interface, OWA Light, with the 08/2026 security update. There are no plans to…

Since Thursday, July 23, 2026 10:26 am

Other messages

Certificate Note: Terminal Server, Office Collection →

If you receive a certificate-related error message when connecting to the Office Collection on the TUD terminal server via…

Since Monday, May 11, 2026 8:00 am

Chat service

Matrix: Element Desktop is unusable on Windows [UPDATE2] →

[UPDATE2]

Version 1.12.25 of Element Desktop includes a bug fix.

[/UPDATE2]

Currently, some users are seeing the following error message in Element…

Since Friday, May 8, 2026 1:21 pm

Telephony

Note: The Cisco User Portal is available only in English. →

On the Cisco user portal at https://voip-settings.zih.tu-dresden.de/ucmuser/, the interface is currently only available in English, even though the…

Since Thursday, May 7, 2026 2:00 pm

Network connection

Error: WIK data connection →

Due to construction work, there is currently no internet connection available in the WIK building.

Unfortunately, we cannot provide any information…

Since Thursday, February 5, 2026 12:24 pm

E-mail

Outlook: Email search function →

There are currently some limitations with the email search function in Outlook.

We are currently working to resolve this issue on a case-by-case…

Since Wednesday, January 21, 2026 7:22 am

E-mail

Outlook - Email login screen hinders Outlook usage →

If a login screen appears while using Outlook, leave this screen open until you see that all folders have been updated in the background (visible in…

from Wednesday, September 2, 2026 6:00 pm till Wednesday, September 2, 2026 6:30 pm

Telephony

Maintenance: VoIP system, 02.09.2026 18:00-18:30 →

On Wednesday, September 2, maintenance work will be performed on the VoIP system starting at 6:00 p.m. For approximately 30 minutes - barring…

Incident: Access to selma currently unavailable