ISL Online incident
ISL Light - Administrative mode escalation delay on Windows devices - 2025-02-04
ISL Online experienced a minor incident on February 4, 2025 affecting Africa and Asia and 1 more component, lasting 6d 1h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 04, 2025, 12:44 PM UTC
We are currently investigating an issue affecting ISL Online users when escalating sessions to administrative mode on remote Windows devices. We apologize for any inconvenience this may cause. Our team is actively investigating the issue and working towards a resolution.
- identified Feb 04, 2025, 12:45 PM UTC
We have identified the root cause of the issue affecting ISL Online users when escalating sessions to administrative mode on remote Windows devices. Our team is working to develop and implement a solution as quickly as possible. We apologize for any inconvenience this may cause and will continue to provide updates on our progress.
- monitoring Feb 04, 2025, 12:47 PM UTC
The issue with administrative mode escalation has been identified to be caused by Microsoft Defender. Disabling Microsoft Defender or adding appropriate exclusions on the remote device removes the problematic delay. Our team is actively working with Microsoft in order to get the false positive detections removed and the delay in administrative mode escalation removed. We apologize for any inconvenience this may have caused and will continue to provide updates on the situation.
- monitoring Feb 06, 2025, 08:18 AM UTC
The issue with administrative mode escalation has been identified to be caused by Microsoft Defender. Disabling Microsoft Defender or adding appropriate exclusions on the remote device removes the problematic delay. As a temporary solution, we recommend that users advise their clients to utilize ISL Light's join mode when entering a session via a session code. Alternatively, clients can use the link below, which downloads ISL Light and launches it directly in join mode: https://www.islonline.net/download/ISLLight?cmdline=--connect%20%22%22 Our team is actively working with Microsoft in order to get the false positive detections removed and the delay in administrative mode escalation removed. We apologize for any inconvenience this may have caused and will continue to provide updates on the situation.
- monitoring Feb 06, 2025, 10:30 AM UTC
We are continuing to monitor for any further issues.
- monitoring Feb 08, 2025, 06:46 PM UTC
We have released a beta version of the ISL Light Client, which addresses the Windows Defender delay issue. Please direct your clients to use the following link to join your ISL Light sessions: https://www.islonline.net/start/isllightclient?branch=any&stable_since=2025-02-08 We are actively working on a new official release that will include this fix. Thank you for your patience and understanding.
- monitoring Feb 10, 2025, 08:51 AM UTC
The official release of the ISL Light Client, which includes the fix for the Windows Defender delay issue, is now available for server license users as well as cloud license users in SI, DE, CH, and GB. We are currently preparing the release for cloud users in other regions and will make it available shortly. We recommend instructing your clients to download the latest version of the ISL Light Client from our downloads page - https://www.islonline.net/start/ISLLightClient Please note that if your clients join a session via the join page or a link generated through ISL Light, the latest version will already be automatically used. Server license users should perform an update of their ISL Conference Proxy server to download the latest programs, including the newly released ISL Light Client. If you experience any issues, we kindly ask you to report them to our support team at [email protected]. Thank you for your continued support.
- resolved Feb 10, 2025, 01:57 PM UTC
The official release of the ISL Light Client, which includes the fix for the Windows Defender delay issue, is now available for all users except Japan. We recommend instructing your clients to download the latest version of the ISL Light Client from our downloads page - https://www.islonline.net/start/ISLLightClient Please note that if your clients join a session via the join page or a link generated through ISL Light, the latest version will already be automatically used. Server license users should perform an update of their ISL Conference Proxy server to download the latest programs, including the newly released ISL Light Client. If you experience any issues, we kindly ask you to report them to our support team at [email protected]. Thank you for your continued support.