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CIDS/ZIH
Operational state

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Experiencing disruptions

Disruptions

Since Friday, October 9, 2026 8:00 am
Backup
Disruption: Backup →

Aktuell kommt es zu Einschränkungen beim Einliefern bzw. Abrufen von Backup-Daten.

Betroffen sind:

  • Backup-Umgebung (Clients die LTO7 nutzen)
  • SLUB

Es…

Since Friday, October 2, 2026 8:00 am
Other messages
Issue: Creation and modification of new and existing ZIH logins and contracts →

Due to the start of the new semester, there may be delays of up to 96 hours in some cases when creating and updating contracts and their contents,…

Since Friday, September 25, 2026 11:24 am
SAP
Issue: Hahn&Kolb catalog temporarily unavailable (SAP) →

Due to a technical issue, the Hahn&Kolb catalog is temporarily unavailable via SAP SRM and MM

Since Friday, September 18, 2026 1:00 pm
E-mail
Issue: Room reservation via OWA (Outlook Web Access, in a browser) →

Currently, in the Outlook web interface, you cannot book a room via [https://msx.tu-dresden.de] using the “Add a location or room” option.

Workaround:…

Since Wednesday, September 16, 2026 3:00 pm
E-mail
Limitations with published calendars →

Currently, subscribed Exchange calendars (.ics) cannot be updated in calendar applications. This is due to a known issue following the Exchange…

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 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 Thursday, October 8, 2026 4:00 pm
E-mail
[Update] Maintenance: MS Exchange - Outlook, Thunderbird, OWA, Oct. 8, 2026, 4:00 p.m. - Oct. 13, 2026, 11:59 p.m. →

[Update] Due to the scope of the work, there may be some access restrictions, particularly on the web interface—we appreciate your understanding.…

Since Tuesday, September 1, 2026 9:00 am
Enterprise Cloud
Upcoming runtime expirations of EnterpriseCloud VMs, 01.09.–31.10.26 →

In mid‑2024 we introduced a runtime for all VMs and initially set it to 2 years. On 17 September 2026 the first VMs will reach this end and will need…

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 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 Tuesday, October 13, 2026 10:00 am till Tuesday, October 13, 2026 12:00 pm
Group management
Maintenance: Group management: Database migration, 13 October 2026, 10:00 – 12:00 →

On Tuesday, October 13, 2026, the database for central IDM groups will be migrated between 10:00 a.m. and 12:00 p.m. During the migration, there will…

from Wednesday, October 14, 2026 9:30 am till Wednesday, October 14, 2026 12:00 pm
Telephony
Maintenance, Self Service Portal, 14.10.2026, 09:30-12:00 →

On October 14, 2026, maintenance work will be performed on the “Telephone” service tile of the self-service portal from 9:30 a.m. to 12:00 p.m.…

from Thursday, October 15, 2026 4:00 pm till Thursday, October 15, 2026 8:00 pm
Shared Storage
Maintenance, Huawei Oceanstore Firmware-Upgrade, 15.10.2026 16:00-20:00 →

On Thursday, 15 October 2026, from 16:00 to 20:00, a firmware upgrade will be carried out on the storage systems storage-q11 and storage-q12, which…

from Friday, October 16, 2026 1:00 pm till Friday, October 16, 2026 2:00 pm
Virtual desktops
Shutdown of the Existing RDS Farm on 16 October 2026, 1-2 pm – Please Back Up Your Data →

The new RDS farm for virtual desktops is now available for production use at https://rd.zih.tu-dresden.de. The existing RDS farm (…

from Wednesday, October 21, 2026 8:00 am till Wednesday, October 21, 2026 9:30 am
Other messages
Maintenance: CheckMK, 21 October 2026, 08:00–09:30 →

On Wednesday, October the 21th from 08:00 to approximately 09:30, maintenance work will be performed on the CheckMK monitoring system. During the time…

from Wednesday, October 21, 2026 1:00 pm till Sunday, October 25, 2026 11:00 pm
SharePoint
Maintenance: Limited access to SharePoint from October 21–25, 2026 →

Due to the migration of TU Dresden’s central SharePoint infrastructure https://sharepoint.tu-dresden.de/, there will be service restrictions from…

from Thursday, October 22, 2026 1:00 pm till Thursday, October 22, 2026 6:00 pm
Network connection
Maintenance, FVZ router repatching due to ABS fiber optic cable construction, 22 October 2026, 13:00–18:00 →

On October 22, 2026, from 1:00 p.m. to 6:00 p.m., fiber optic patching work will take place in the ABS/FVZ area. This will primarily affect the…

Service Status Overview

Data Network and Network Services

DNS (name resolution) ✅ Operational

Firewall at the transition to the campus network ✅ Operational

Network connection [8]disruptions in the last 2 weeks 🛠️ Maintenance

VPN access [7]disruptions in the last 2 weeks 🛠️ Maintenance

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 [9]disruptions in the last 2 weeks ✅ Operational

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 🛠️ Maintenance

OpenLDAP service ✅ Operational

Single sign-on (Shibboleth) [11]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 [6]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 [33]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 [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 🛠️ Maintenance

Telephony [20]disruptions in the last 2 weeks 🛠️ Maintenance

Ticket system [5]disruptions in the last 2 weeks ✅ Operational

Video / telephone conferences [9]disruptions in the last 2 weeks ✅ Operational

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 [2]disruptions in the last 2 weeks ✅ Operational

IT Infrastructure Inventory ✅ 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 [14]disruptions in the last 2 weeks ⚠️ Disrupted

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

Shared Storage [23]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 [10]disruptions in the last 2 weeks ⚠️ Disrupted

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

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

Other Services

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

Other messages [41]disruptions in the last 2 weeks ⚠️ Disrupted

Daphne ✅ Operational

Short link ✅ Operational

Notebook and device lending ✅ Operational

PC maintenance service ✅ Operational

PC pool ✅ Operational

Plot service [1]disruptions in the last 2 weeks ✅ Operational

Time-Service ✅ Operational

Virtual desktops [2]disruptions in the last 2 weeks 🛠️ Maintenance

Self-Service Portal [13]disruptions in the last 2 weeks ✅ Operational

Entries ✅ Operational

Campus Information System ✅ Operational

Incident history

Friday, 09 October 2026 08:00:00

Disruption: Backup

▲ This issue is not resolved yet Friday, 02 October 2026 09:00:00

[Update] Malfunction: HPC Login Restrictions

Resolved after 100h 43m
Friday, 02 October 2026 08:00:00

Issue: Creation and modification of new and existing ZIH logins and contracts

▲ This issue is not resolved yet Friday, 25 September 2026 11:24:00

Issue: Hahn&Kolb catalog temporarily unavailable (SAP)

▲ This issue is not resolved yet Wednesday, 23 September 2026 14:57:00

[solved] Malfunction: Unable to access dgw.zih.tu-dresden.de

Resolved after 3h 3m
Tuesday, 22 September 2026 08:45:00

Issue: Exchange (Outlook / OWA / Thunderbird)

Resolved after 55h 59m
Monday, 21 September 2026 07:26:00

Malfunction: BBB service down

Resolved after 59m
Friday, 18 September 2026 13:00:00

Issue: Room reservation via OWA (Outlook Web Access, in a browser)

▲ This issue is not resolved yet Friday, 18 September 2026 09:00:00

[Update] Malfunction: HPC Login Restrictions

Resolved after 2h 45m
Thursday, 17 September 2026 15:39:00

[solved] Issue: Excel - Copy and Paste

Resolved after 353h 24m
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Status of IT services at CIDS/ZIH. Our systems are continuously monitored. If you experience any problems, please open a ticket at the Service Desk (servicedesk@tu-dresden.de).

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