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Experiencing disruptions

Disruptions

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.

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 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 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, 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 Thursday, October 15, 2026 4:00 pm till Thursday, October 15, 2026 7:00 pm

Other messages

Maintenance: OS update of the DMS (document management system), October 15, 2026, 4–7 p.m. →

DMS updates are scheduled to be installed in the Document Management System on Thursday, October 15, 2026, starting at 4:00 p.m.

The system will be…

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…

from Tuesday, October 27, 2026 7:00 am till Tuesday, October 27, 2026 9:00 am

Shared Storage

Maintenance, Setting Up an new NFS Server for Ceph-NFS, 27.10.2026 07:00-09:00 →

The central NFS service for Ceph-based shared drives using NFS is being upgraded. The IP address of the NFS server will remain the same during the…

from Tuesday, October 27, 2026 7:00 pm till Tuesday, October 27, 2026 8:00 pm

VPN access

Maintenance: eduVPN: Installation of Software Updates, October 27, 2026, 7-8 pm →

On Tuesday, October 27, 2026, between 7:00 p.m. and 8:00 p.m. a software update of the eduVPN servers will take place. Due to the redundancy, there…

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 ✅ Operational

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 🛠️ Maintenance

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

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 ✅ Operational

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

CIDS/ZIHOperational state

Experiencing disruptions

Disruptions

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.

Active Maintenances and Restrictions

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 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 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

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 ✅ Operational

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 🛠️ Maintenance

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

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 ✅ Operational

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

CIDS/ZIH
Operational state

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 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 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 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…