Microsoft says a defective CrowdStrike Falcon replace, which prompted widespread outages by crashing Home windows techniques worldwide, additionally resulted in Home windows 365 Cloud PCs getting caught in reboot loops, rendering them unusable.
“We have now been made conscious of a difficulty impacting Digital Machines operating Home windows Shopper and Home windows Server, operating the CrowdStrike Falcon agent, which can encounter a bug verify (BSOD) and get caught in a restarting state,” Microsoft stated on its Service Well being Standing web page.
“We approximate affect began round 19:00 UTC on the 18th of July. Extra particulars from CrowdStrike can be found here.”
For Home windows gadgets affected by the defective CrowdStrike replace, the safety agency supplied directions on rebooting Home windows gadgets into Protected Mode or the Restoration Surroundings and manually eradicating the problematic kernel driver.
Nevertheless, restoration is extra restricted or time-consuming for Home windows 365 Cloud PCs which have CrowdStrike put in. It is because Home windows 365 Cloud PCs are digital machines operating within the cloud and don’t supply entry to those restoration choices.
For Home windows 365 Cloud PCs, Microsoft recommends restarting the affected VMs (as many as 15 instances)Â by way of the Azure Portal. This troubleshooting step proved efficient for some Home windows admins when attempting to get well from these reboot loops, in keeping with Microsoft.
Alternatively, prospects can restore from an Azure Backup earlier than 19:00 UTC on July 18th, with the danger of probably dropping information created after the backup.
As a final resort, prospects can use the Azure CLI or Azure Shell to repair the OS disks offline by deleting the Home windows/System/System32/Drivers/CrowdStrike/C00000291*.sys file, and reattaching the unique VM.
“Prospects which might be persevering with to expertise points ought to attain out to CrowdStrike for added help,” the corporate said on the Azure standing web page.
“Moreover, we’re persevering with to analyze further mitigation choices for patrons and can share extra info because it turns into identified.”
​As BleepingComputer reported yesterday, a faulty element in a CrowdStrike Falcon replace triggered widespread outages on Friday, crashing Home windows techniques with blue display of demise (BSOD) errors.
These outages impacted many organizations and companies worldwide, together with banks, airways, airports, TV stations, and hospitals, taking offline whole corporations and fleets of a whole lot of 1000’s of gadgets.
George Kurtz, CrowdStrike’s President and CEO, stated the corporate was “actively working with prospects” and confirmed that the continued points had been prompted “by a defect present in a single content material replace for Home windows hosts.” Kurtz additionally warned prospects to make sure “they’re speaking with CrowdStrike representatives by means of official channels.”
Sadly, regardless of offering workarounds and deploying a repair on Home windows hosts caught in crashing loops, corporations will seemingly need to cope with the consequences for some time, provided that making use of the workaround for CrowdStrike’s glitched replace can’t be automated at scale.
On Thursday night, an Azure configuration change additionally caused a major Microsoft 365 outage, which, in keeping with Microsoft, prevented prospects throughout the Central US area from accessing numerous Microsoft 365 apps and companies.
The Microsoft 365 outage impacted companies equivalent to Microsoft Defender, Intune, Groups, PowerBI, Material, OneNote, OneDrive for Enterprise, SharePoint On-line, Home windows 365, Viva Interact, Microsoft Purview, and the Microsoft 365 admin heart. Xbox Help additionally confirmed that the difficulty affected the Xbox Live service, saying avid gamers had issues logging into their accounts.Â
Though Microsoft utilized mitigation measures that introduced most affected apps and companies again on-line, some prospects nonetheless expertise points accessing and utilizing companies like Microsoft Groups and the Microsoft 365 admin heart.