Microsoft says this month’s Patch Tuesday cumulative updates repair a identified concern that causes Home windows servers to disrupt Distant Desktop connections in enterprise networks after putting in the July Home windows Server safety updates.
Redmond first confirmed this identified concern following many reviews from Home windows admins that the RD Gateway service saved crashing each half-hour after putting in the July updates.
Admins can monitor this as a TSGateway service termination concern, which triggers an 0xc0000005 exception code When it turns into unresponsive and will get logged as Occasion 1000 within the system occasion log.
“Home windows Servers would possibly have an effect on Distant Desktop Connectivity throughout a corporation if legacy protocol (Distant Process Name over HTTP) is utilized in Distant Desktop Gateway. Ensuing from this, distant desktop connections is likely to be interrupted,” Microsoft stated on the time.
“This concern would possibly happen intermittently, reminiscent of repeating each half-hour. At this interval, logon periods are misplaced and customers might want to reconnect to the server.”
The checklist of impacted Home windows Server releases and the safety updates that set off it contains:
- Home windows Server 2022 (KB5040437)
- Home windows Server 2019 (KB5040430)
- Home windows Server 2016 (KB5040434)
- Home windows Server 2012 R2 (KB5040456
- Home windows Server 2012 (KB5040485)
Redmond additionally gives affected organizations that can’t instantly set up this month’s cumulative updates with two short-term workarounds.
The primary requires disallowing connections over pipe and port pipeRpcProxy3388 via the RD Gateway utilizing firewall software program.
For the second, admins should edit the RDGClientTransport registry key beneath Terminal Server Consumer by going to HKCUSoftwareMicrosoftTerminal Server ClientRDGClientTransport. Subsequent, discover the ‘DWORD’ registry key and set the ‘Worth Knowledge’ area to ‘0x0’.
It is also essential to notice that you must make a registry backup earlier than modifying it to make sure you can shortly restore it if something goes unsuitable.
Two years in the past, Microsoft fastened the same identified concern inflicting RDP and VPN connectivity issues after putting in the June 2022 safety updates on Home windows Servers with Routing and Distant Entry Service (RRAS) enabled.
In January 2022, it launched an emergency out-of-band replace to repair a Home windows Server bug triggering Distant Desktop connection and efficiency points.
Immediately, Microsoft launched the October 2024 Patch Tuesday safety updates to handle 118 vulnerabilities, together with 5 publicly disclosed zero-days, two of that are exploited in ongoing assaults.