Uh oh! It looks like you have disabled JavaScript. Please enable scripting to enhance your experience on this website.

Experiencing disruptions

Disruptions

Active Maintenances and Restrictions

Since Monday, May 11, 2026 8:00 am

Chat service

Currently, some users are seeing the following error message in Element Desktop for Windows:

Event indexer threw an unexpected error

Error: internal…

Future Maintenances

Service Status Overview

Data Network and Network Services

High-Performance Computing (HPC)

IT Security, Authentication and Authorization

Communication and Collaboration

Server Services

Software and Licenses

Storage and Data Management

CIDS/ZIHOperational state

Experiencing disruptions

Disruptions

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 Friday, July 3, 2026 2:00 pm HPC login Outage: HPC Login → Due to the discovery of a new security vulnerability, the access to the HPC clusters via SSH and JupyterHub are disabled. Thank you for your…

Since Wednesday, June 24, 2026 12:20 pm Shared Storage Error: Shared drive, access via data gateway (DGW) → Due to current security restrictions, access to shared drives via the Data Gateway (DGW) is not possible. This applies to global access via the scp,…

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 3:00 pm E-mail Issue: Published calendars limitations OWA → An important security update for Microsoft Exchange is currently affecting the functionality of the Outlook Web App (OWA) webmail application, which…

Active Maintenances and Restrictions

Since Monday, July 13, 2026 8:00 am Other messages Service Desk: Limited availability by telephone → Due to staff shortages, the Service Desk is currently only available by telephone on a limited basis.

Since Wednesday, July 1, 2026 8:00 am Other messages Service Desk: New office hours starting in July 2026 → Due to staffing shortages, the Service Desk will have the following hours starting July 1, 2026: On-site: Mon. - Thu.: 9:00 a.m.–12:00 p.m. 1:30…

Since Tuesday, June 30, 2026 6:00 am Chat service Other messages Note: Matrix Display: No Connection → Currently, some users are occasionally seeing a message in the Matrix client Element or in their browser stating that there is no internet connection.…

Since Friday, June 19, 2026 8:00 am WebCMS (tu-dresden.de) WebCMS: Shutdown of the Central Internal Web Area on June 19, 2026 → On June 19, 2026, the central internal web section within the TUD website will be taken offline. It will thus be permanently replaced by the TUD…

Since Monday, May 11, 2026 8:00 am Chat service Matrix: Element Desktop is unusable on Windows [UPDATE] → Currently, some users are seeing the following error message in Element Desktop for Windows: Event indexer threw an unexpected error Error: internal…

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…

Future Maintenances

Service Status Overview

Data Network and Network Services

DNS (name resolution) ✅ Operational

Firewall at the transition to the campus network ✅ Operational

Network connection [6]disruptions in the last 2 weeks 🛠️ Maintenance

VPN access [6]disruptions in the last 2 weeks ✅ Operational

WLAN/Eduroam [3]disruptions in the last 2 weeks ✅ Operational

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 [2]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 [1]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) [2]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 [23]disruptions in the last 2 weeks ⚠️ Disrupted

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

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

Intranet [2]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 🛠️ Maintenance

Telephony [19]disruptions in the last 2 weeks ✅ Operational

Ticket system [2]disruptions in the last 2 weeks ✅ Operational

Video / telephone conferences [8]disruptions in the last 2 weeks ✅ Operational

Server Services

Service monitoring ✅ Operational

Enterprise Cloud [12]disruptions in the last 2 weeks ✅ Operational

Research Cloud [9]disruptions in the last 2 weeks ✅ Operational

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 [12]disruptions in the last 2 weeks ✅ Operational

Datashare (Cloudstore) [6]disruptions in the last 2 weeks 🛠️ Maintenance

Shared Storage [19]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 🛠️ Maintenance

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

Central University Administration

Research information system ✅ Operational

SAP [7]disruptions in the last 2 weeks 🛠️ Maintenance

Selma [6]disruptions in the last 2 weeks ✅ Operational

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

Other Services

Campus Navigator [4]disruptions in the last 2 weeks ✅ Operational

CIDS/ZIH
Operational state

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 Friday, July 3, 2026 2:00 pm

HPC login

Outage: HPC Login →

Due to the discovery of a new security vulnerability, the access to the HPC clusters via SSH and JupyterHub are disabled.

Thank you for your…

Since Wednesday, June 24, 2026 12:20 pm

Shared Storage

Error: Shared drive, access via data gateway (DGW) →

Due to current security restrictions, access to shared drives via the Data Gateway (DGW) is not possible. This applies to global access via the scp,…

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 3:00 pm

E-mail

Issue: Published calendars
limitations OWA →

An important security update for Microsoft Exchange is currently affecting the functionality of the Outlook Web App (OWA) webmail application, which…

Since Monday, July 13, 2026 8:00 am

Other messages

Service Desk: Limited availability by telephone →

Due to staff shortages, the Service Desk is currently only available by telephone on a limited basis.

Since Wednesday, July 1, 2026 8:00 am

Other messages

Service Desk: New office hours starting in July 2026 →

Due to staffing shortages, the Service Desk will have the following hours starting July 1, 2026:

On-site:

Mon. - Thu.:

9:00 a.m.–12:00 p.m.

1:30…

Since Tuesday, June 30, 2026 6:00 am

Chat service Other messages

Note: Matrix Display: No Connection →

Currently, some users are occasionally seeing a message in the Matrix client Element or in their browser stating that there is no internet connection.…

Since Friday, June 19, 2026 8:00 am

WebCMS (tu-dresden.de)

WebCMS: Shutdown of the Central Internal Web Area on June 19, 2026 →

On June 19, 2026, the central internal web section within the TUD website will be taken offline. It will thus be permanently replaced by the TUD…

Since Monday, May 11, 2026 8:00 am

Chat service

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

Currently, some users are seeing the following error message in Element Desktop for Windows:

`Event indexer threw an unexpected error Error: internal…`

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…