The problem has been solved.

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Since today morning, 20.01.2026 the central Wiki service XWiki (https://xwiki.desy.de) isn't available due to a disturbance.

We are working on a solution.

Trouble caused by: Under investigation

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Currently, initial registration for Jabber is only possible using Cisco VPN.
Initial registration is required if you have never logged into the service before or you have reset your Softphone and need to log in again.

If you are already logged into the Jabber Softphone, you can continue using the service seamlessly via eduVPN or from outside the DESY network.

We are working on a solution.

The DFN Association (Association for the Promotion of a German Research Network) has informed us that the eduroam service (Easyroam) is currently experiencing disruptions.

Network connections via eduroam cannot be established reliably at this time.

The DFN is working on a solution; no further information is available at this time.

Trouble caused by: Unknown

On Dienstag, 20.1.2026 from 08:00 h to 15:00 h maintenance work will be carried out on the central e-mail service (mail.desy.de).

During the maintenance period there will be interruptions in access via the web interface (https://mail.desy.de). Access with Outlook or Thunderbird will be limited, too. Shared folders and calendars may not be accessible for a short time.

When composing emails, please regularly back up the current status in the Drafts folder to avoid data loss.

Maintenance caused by: Installation of security updates on the Zimbra servers

Starting Friday, 19.12.2025, the central JetBrains licence server at the DESY computing center will be shut down. Instead, JetBrains' online license server will be used for software licensing.

Users who wish to continue using JetBrains, please create a JetBrains account with their personal email address (firstname.lastname@desy.de):
https://account.jetbrains.com/login -> "New here? Create an account"

They must then log in to the JetBrains software with their account:
https://it.desy.de/services/soft/jetbrains/index_eng.html#activate

Licensing via the new licensing method is already possible and recommended before the old license server is shut down.

Maintenance caused by: Change to a new licensing method

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The maintenance has been finished.

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On the second Friday of every month, the monthly Windows updates are released. Please install them on your DESY Windows devices as soon as possible to ensure that they are up-to-date and secure.

To do this, connect your Windows device to the internal DESY network after the updates have been released. Use VPN if you are extern. When prompted or at the end of the day, restart or shut down your Windows device.

Seven days after the release of the updates, a forced restart of the computers will take place if this has not taken place in the meantime.


Hint:
On Wednesday which follows the release of the updates from 17:00 to max. 20:00, trouble-free working in the Windows environment cannot be guaranteed due to the monthly maintenance work on the central Windows servers.

It is recommended to log off or shut down DESY Windows devices on Wednesday before the maintenance starts. You should also log off from public Windows systems (terminal servers) beforehand.

Maintenance caused by: Windows updates and the monthly maintenance work on the corresponding central computers

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Regular Maintenance Slot: TSM (ADSM) backup server

Time: each Tuesday, 12:00 pm - 8:30 pm
Systems: all

Impact: The TSM backup servers will be partly down. It will not be possible to restore files on the central Unix or Windows systems from backups made by the TSM.

An apology must be made in advance: It is always possible that things do not work as planned. Therefore the given ending times may not be kept as promised.

Maintenance caused by: Update of the Service

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In this storage service, the default settings for permissions when sharing a directory may lead to unplanned behaviour, which we would like to draw your attention to with this information.

The behaviour is based on the fact that the default settings also include the right to delete. The result can be that data becomes inaccessible to the person who shared the data if one of the persons with whom the data was shared moves it; this corresponds to copying it to the target folder and then deleting it in the source folder.
The files and directories are not lost, but are now in the directory tree of the person who moved them.

To work around this issue until it is fixed, the recommendation is not to move any data that has been shared with you via Sync & Share. Persons already affected will be informed directly.

A support request is in progress at the manufacturer.

If you have any questions, please contact uco@desy.de.
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Starting Tuesday, 13.01.2026, users establishing Cisco VPN connections with outdated operating systems will receive individual email notifications.

This is a preparatory measure ahead of the planned blocking of such connections from 03.02.2026, to ensure network security in compliance with the requirements of the Computer Security Council (RSR).

For macOS users, the option to use Apples native VPN client (IPSec) will no longer be available in the future. Alternatives are eduVPN or the Cisco VPN client (download via https://vpn.desy.de).

For further information, please refer to the VPN documentation:
https://it.desy.de/dienste/netzwerke/vpn

We will provide separate updates once the blocking of connections is activated.

If you have any questions, please contact the IT Helpdesk at any time (uco@desy.de, phone: 5005).