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`UP` notification not sent when maintenance ends if `DOWN` before maintenance started #2766

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opened 2026-02-28 03:06:27 -05:00 by deekerman · 4 comments

deekerman commented

2026-02-28 03:06:27 -05:00

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Originally created by @exterrestris on GitHub (Nov 9, 2023).

⚠️ Please verify that this bug has NOT been raised before.

I checked and didn't find similar issue

🛡️ Security Policy

I agree to have read this project Security Policy

Description

Services that were down before maintenance mode was enabled do not send 'up' notifications if up when maintenance mode disabled

👟 Reproduction steps

Have monitored service go down
Enable maintenance mode
Bring service up
Disable maintenance mode

👀 Expected behavior

Notification that service was up when maintenance mode ends

😓 Actual Behavior

No notification sent

🐻 Uptime-Kuma Version

1.23.3

💻 Operating System and Arch

Ubuntu 20.04 amd64

🌐 Browser

Firefox 119.0

🐋 Docker Version

24.0.7

🟩 NodeJS Version

No response

📝 Relevant log output

No response

Originally created by @exterrestris on GitHub (Nov 9, 2023). ### ⚠️ Please verify that this bug has NOT been raised before. - [X] I checked and didn't find similar issue ### 🛡️ Security Policy - [X] I agree to have read this project [Security Policy](https://github.com/louislam/uptime-kuma/security/policy) ### Description Services that were down before maintenance mode was enabled do not send 'up' notifications if up when maintenance mode disabled ### 👟 Reproduction steps 1. Have monitored service go down 2. Enable maintenance mode 3. Bring service up 4. Disable maintenance mode ### 👀 Expected behavior Notification that service was up when maintenance mode ends ### 😓 Actual Behavior No notification sent ### 🐻 Uptime-Kuma Version 1.23.3 ### 💻 Operating System and Arch Ubuntu 20.04 amd64 ### 🌐 Browser Firefox 119.0 ### 🐋 Docker Version 24.0.7 ### 🟩 NodeJS Version _No response_ ### 📝 Relevant log output _No response_

deekerman added the

bug

A:monitor

A:maintenance

labels

2026-02-28 03:06:27 -05:00

deekerman commented

2026-02-28 03:06:30 -05:00

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@CommanderStorm commented on GitHub (Nov 10, 2023):

I would not consider this a bug, more a consequence of what maintance mode is: essentially a notification pause
=> no notifications will get through
=> a up notification should also not get through if triggered during the maintenance mode

@CommanderStorm commented on GitHub (Nov 10, 2023): I would not consider this a bug, more a consequence of what maintance mode is: essentially a notification pause => no notifications will get through => a up notification should also not get through if triggered during the maintenance mode

deekerman commented

2026-02-28 03:06:32 -05:00

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@exterrestris commented on GitHub (Nov 10, 2023):

Maintenance mode behaves as a pause in checking monitors (since there are no metrics recorded for the monitor whilst under maintenance) - that notifications are also paused is a side effect of that. Given that, I think expecting a notification if the state is different when maintenance mode ends to when the last notification was sent is entirely reasonable

@exterrestris commented on GitHub (Nov 10, 2023): Maintenance mode behaves as a pause in checking monitors (since there are no metrics recorded for the monitor whilst under maintenance) - that notifications are also paused is a side effect of that. Given that, I think expecting a notification if the state is different when maintenance mode ends to when the last notification was sent is entirely reasonable

deekerman commented

2026-02-28 03:06:32 -05:00

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@enigmaoftech commented on GitHub (May 7, 2024):

Is there a way to send a notification out for planned maintenance? If not this would be nice to alert a group/channel.

@enigmaoftech commented on GitHub (May 7, 2024): Is there a way to send a notification out for planned maintenance? If not this would be nice to alert a group/channel.

deekerman commented

2026-02-28 03:06:32 -05:00

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@CommanderStorm commented on GitHub (May 7, 2024):

@enigmaoftech this is tracked in #2462

@CommanderStorm commented on GitHub (May 7, 2024): @enigmaoftech this is tracked in #2462