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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 Monday, May 18, 2026 3:00 pm E-mail Issue: Exchange, OWA (Outlook Web Access) → For security reasons, the Light version of OWA (Outlook Web App) has been disabled. Unfortunately, mailboxes that were already being used in Light…

Since Monday, May 18, 2026 8:00 am Enterprise Cloud Research Cloud Virtual Machines: Bootloop on Debian 12 after an update → Updating the grub-pc software package on older Debian 12 VMs with BIOS firmware may cause a bootloop in some cases. The issue occurs after the first…

Active Maintenances and Restrictions

Since Monday, May 18, 2026 11:00 am E-mail Maintenance: Exchange Server, May 26, 2018, 11:00 a.m. – May 26, 2018, 11:30 p.m. → Maintenance work is currently underway. As a result, there may be brief interruptions in the connection between the mail client and the server on some…

Since Monday, May 11, 2026 8:00 am Chat service Matrix: Element Desktop is unusable on Windows → 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 restrictions on email searches in Outlook. This is currently being fixed on an individual basis, and we ask for your patience…

Future Maintenances

from Tuesday, June 2, 2026 11:00 am till Tuesday, June 2, 2026 3:00 pm Other messages → The Service Desk will be closed on Tuesday, June 2, 2026, from 11:00 a.m. to 3:00 p.m. due to operational reasons.

Service Status Overview

Data Network and Network Services

DNS (name resolution) ✅ Operational

Firewall at the transition to the campus network ✅ Operational

Network connection [5]disruptions in the last 2 weeks 🛠️ Maintenance

VPN access [6]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 [1]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 [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) [1]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 [5]disruptions in the last 2 weeks ✅ Operational

E-mail [21]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 🛠️ Maintenance

Mailing lists ✅ Operational

Mail Forwarding portal ✅ Operational

Room, resource and distributed mailboxes, distribution groups ✅ Operational

Remote Support ✅ Operational

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

Telephony [18]disruptions in the last 2 weeks 🛠️ Maintenance

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 ⚠️ Disrupted

Research Cloud [8]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 [9]disruptions in the last 2 weeks 🛠️ Maintenance

Datashare (Cloudstore) [5]disruptions in the last 2 weeks ✅ Operational

Shared Storage [15]disruptions in the last 2 weeks ✅ Operational

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 [6]disruptions in the last 2 weeks ✅ Operational

Selma [6]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 [25]disruptions in the last 2 weeks 🛠️ Maintenance

Daphne ✅ Operational

Short link ✅ Operational

Notebook and device lending ✅ Operational

PC maintenance service ✅ Operational

PC pool ✅ Operational

CIDS/ZIH
Operational state

Since Monday, May 18, 2026 3:00 pm

E-mail

Issue: Exchange, OWA (Outlook Web Access) →

For security reasons, the Light version of OWA (Outlook Web App) has been disabled.

Unfortunately, mailboxes that were already being used in Light…

Since Monday, May 18, 2026 8:00 am

Enterprise Cloud Research Cloud

Virtual Machines: Bootloop on Debian 12 after an update →

Updating the `grub-pc` software package on older Debian 12 VMs with BIOS firmware may cause a bootloop in some cases.

The issue occurs after the first…

Since Monday, May 18, 2026 11:00 am

E-mail

Maintenance: Exchange Server, May 26, 2018, 11:00 a.m. – May 26, 2018, 11:30 p.m. →

Maintenance work is currently underway. As a result, there may be brief interruptions in the connection between the mail client and the server on some…

Since Monday, May 11, 2026 8:00 am

Chat service

Matrix: Element Desktop is unusable on Windows →

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 restrictions on email searches in Outlook.

This is currently being fixed on an individual basis, and we ask for your patience…

from Tuesday, June 2, 2026 11:00 am till Tuesday, June 2, 2026 3:00 pm

Other messages

→

The Service Desk will be closed on Tuesday, June 2, 2026, from 11:00 a.m. to 3:00 p.m. due to operational reasons.