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MacOS 11 Big Sur downloads appear to have been marred by slowdown issues. Shortly after Apple released macOS 11 Big Sur, a large number of Mac users reported problems downloading the latest update today. Several users began to see a delay of more than fifteen days in downloading macOS Big Sur on their machines. In some other cases, Mac users on an existing version of macOS reported unexpected issues and application launch delays. Those issues affected users of macOS 10.15 Catalina and even macOS 10.14 Mojave. Apple’s major services, including Apple Pay and iMessage, also faced slowdowns and disruptions in global regions.
The sudden rush to download macOS Big Sur appears to have brought Apple’s Online Certificate Status Protocol (OCSP) service down. Apparently that caused system-wide slowdowns on Mac machines and affected application launch even on existing versions of macOS. The problems lasted for several minutes as the OCSP service was unable to establish a connection with Mac devices, as reported by ArsTechnica.
“My MacBook slows down when Wi-Fi is enabled,” wrote one of the affected users on the MacRumors forum. “I’m not talking about internet speed, that’s fine. But just starting or using applications becomes extremely slow. “
Users found that temporarily disabling internet connectivity acted as a solution to resolve app slowdown issues. However, Apple took some time to fix the issues from the backend.
😅 It seems that when applications are started, Gatekeeper cannot verify their validity over the Internet, due to overwhelmed Apple servers. So, let’s all wait! You got this, Apple devops!
– Panic (@panic) November 12, 2020
Some users trying to download macOS Big Sur too reported massive delays.
@ DanCCollins1 Thanks for letting us know about this. Currently, you may see this error message when trying to download macOS Big Sur. Apple is aware of this behavior and is currently investigating. Try to wait a bit and retry the download.
– Apple Support (@AppleSupport) November 13, 2020
According to details available on Apple’s system status site, the issues affected iMessage and FaceTime along with the macOS software update service. The site also shows that Apple Maps also faced a couple of outages. Additionally, some users reported problems accessing Apple Card and Apple Pay, as well as Apple’s developer site.
Apple identified the problems around 1:30 a.m. IST and resolved most of them within a couple of hours, according to the System Status site. However, the issues that affected the macOS Big Sur update took some time and were finally addressed at 6:45 am IST.
The exact cause of the problems is not yet clear. However, the problems appear to have largely resolved by now.
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