A security service prevented from responding.
What gives it awayRepeated timeouts for antivirus or EDR specifically, while other services respond normally.
ATT&CK T1562.001Nothing matches that yet. Tell us what you were looking for and it goes on the list.
Windows System Log · Event 7011
Windows asked a service to do something and got no reply within the timeout. On a machine that is slow to start or shut down, this is usually the reason — and it is far more often a symptom of overloaded storage than of a broken service.
Also written as Event ID 70117011 service timeout
A background component took too long to answer. This is usually why a PC seems to hang during startup or shutdown, especially on an older mechanical hard drive.
Extremely common on virtual machines with contended storage and on machines with many services starting at once. Look for one service name recurring — a consistent offender is a real problem, whereas a scattering of different names across shutdowns is a storage or resource problem.
Sanitised. Addresses come from the RFC 5737 documentation ranges.
A timeout (30000 milliseconds) was reached while waiting for a transaction response from the AppReadiness service. Everything else in the log line is context.
Most of the time it is one of these.
What gives it awayRepeated timeouts for antivirus or EDR specifically, while other services respond normally.
ATT&CK T1562.001What gives it awayWidespread timeouts on a machine with sustained high CPU or disk load from an unfamiliar process.
ATT&CK T1496Get-WinEvent -FilterHashtable @{LogName='System'; Id=7011} -MaxEvents 50 | Select-Object TimeCreated, Message | Format-List Event | where EventLog == 'System' and EventID == 7011 | extend Svc = extract(@'from the (.+?) service', 1, RenderedDescription) | summarize count() by Svc, Computer | order by count_ desc Because a service is not responding to the stop request and Windows waits the full timeout before giving up. Each one that hangs adds its own delay. Find the service names in these events — a consistent offender can usually be set to delayed start or updated. On older machines, a slow mechanical drive is often the underlying reason.
Often, indirectly. It means something did not answer in time, and the most common reason is storage that cannot keep up rather than a broken service. Look for Events 129 and 51 around the same time — if they are present, the disk is the problem and the service timeouts are a symptom.
Last reviewed 28 August 2026