Task Scheduler is a Windows utility with which users can usually set up and run automated tasks. However, some users can’t run tasks because of an error message that says, “Task Scheduler service is not available.” Users have reported this error message pops up when they try to run tasks manually.
Users who need to fix this error can usually still access Task Scheduler. However, that utility isn’t much good when its tasks don’t run. This is how you can resolve the “Task Scheduler service is not available” error on Windows 10 and 11.
1. Change the Task’s Network Condition
The “Task Scheduler service is not available” error can arise because of a network condition setting selected for a task. That condition sets a task to run only if a specified network connection is available. So, try disabling the network condition setting for an affected task like this:
You can find all tasks that are set to utilize certain connection IDs with PowerShell. To do so, execute a PowerShell command that lists tasks with network conditions as follows:
2. Edit the Schedule Registry Key
Some users have fixed the “Task Scheduler service is not available” by editing the Schedule registry key. Those users changed the Start DWORD value for the Schedule registry key to automatic. These are the exact steps for applying this registry tweak:
3. Edit the TimeBrokerSvc Registry Key
The “Task Scheduler service is not available” error can occur because the Task Scheduler service is disabled. You can remedy that by changing theStartDWORD value for theTimeBrokerSvcregistry key like this:
4. Rename the Tree Registry Key
A corrupted task subkey within theTreeregistry key is another potential cause of the “Task Scheduler service is not available” error. You can check if that’s causing the issue by renaming theTreeregistry key like this:
If the error doesn’t persist after renaming theTreekey, that means a corrupted task is indeed causing the issue. In this case, you’ll need to identify and delete that task’s key. We recommend performing a registry backup before doing so. Then follow these steps for editing the registry:
If a renaming error message pops up when you try to renameTree, you’ll need to take ownership of that registry key to apply this potential fix. To do so, follow the instructions in our guide totaking ownership of registry keys on Windows.
5. Factory Reset Windows
Factory resetting Windows is the final resort resolution for the “Task scheduler service is not available” error. Applying this solution will likely repair the system file or other registry issues causing the error. It is the last resort because user-installed software will not be preserved after resetting Windows.
You can apply this potential fix with the Reset this PC tool. That utility does at least include an option for preserving user files. Our guide aboutfactory resetting a Windows PCtells you how to utilize that tool.
Run All the Tasks You Need Again on Windows
The “Task Scheduler service is not available” error is often the result of misconfigured or corrupted registry keys that the potential resolutions in this guide will address. The registry fixes outlined here have worked for a lot of users. So, they’re certainly worth trying but take care when manually editing the registry.
