I was thinking antimalware myself. In fact, antimalware, some other agent software, and malware, are the three things that come to mind for this scenario -- especially if the devices experiencing the problem are not logged on to the console.
Regards, *ASB* *https://about.me/Andrew.S.Baker <https://about.me/Andrew.S.Baker>* *Providing CyberSecurity and IT Operations Consulting for the SMB market…* * GPG: *860D 40A1 4DA5 3AE1 B052 8F9F 07A1 F9D6 A549 8842 On Thu, Oct 12, 2017 at 6:50 PM, Richard Stovall <[email protected]> wrote: > I seem to remember Vipre causing that occasionally, in its early > incarnations. > > On Tue, Oct 10, 2017 at 10:12 AM, Kennedy, Jim < > [email protected]> wrote: > >> Still having this issue, and it has spread to many of my 2008 R2 servers >> including non hyper V guests. They all start with this: >> >> >> >> The server was unable to allocate from the system nonpaged pool because >> the pool was empty. >> >> >> >> Full on hangs, so I can’t get in to see what ate the memory. Not seeing >> anything in real time looking like too many handles. >> >> >> >> Any ideas here gang? >> >> >> >> *From:* [email protected] [mailto:[email protected] >> orum.com] *On Behalf Of *Kennedy, Jim >> *Sent:* Monday, September 11, 2017 1:25 PM >> *To:* [email protected] >> *Subject:* [NTSysADM] RE: 2008 R2 Hyper V guests OoM >> >> >> >> So yea, that is exactly what I did. TYVM sir. >> >> >> >> *From:* [email protected] [mailto:[email protected] >> orum.com <[email protected]>] *On Behalf Of *Michael B. >> Smith >> *Sent:* Monday, September 11, 2017 12:59 PM >> *To:* [email protected] >> *Subject:* [NTSysADM] RE: 2008 R2 Hyper V guests OoM >> >> >> >> Don’t run overcommitted in production. >> >> >> >> *From:* [email protected] [mailto:[email protected] >> orum.com <[email protected]>] *On Behalf Of *Kennedy, Jim >> *Sent:* Monday, September 11, 2017 12:20 PM >> *To:* '[email protected]' >> *Subject:* [NTSysADM] 2008 R2 Hyper V guests OoM >> >> >> >> Just started a couple of weeks ago. I suspect an August update so I may >> cross post this later over on Patch Management. >> >> >> >> 2012 R2 Hyper V host (2 of them) with a mixture of 2008 R2 and 2012 R2 >> guests. Only the 2008 R2’s are exhibiting this behavior, they are all low >> usage machines. They are all set to dynamic memory and have been running >> for years without issue. One is only an FTP server that accepts 4 >> connections a night for an automated data transfer. And the incoming >> connections are IP restricted on our ASA, so it isn’t like it is getting >> flooded with hacking attempts. These boxes are varied in their use FTP, >> internal only web server, RDP Gateway, generic file server…… >> >> >> >> They crash shortly after a 2019 from srv. “The server was unable to >> allocate from the system nonpaged pool because the pool was empty.” >> >> >> >> Setting them to a fixed memory on the slightly larger than what I would >> expect them to need seems to have fixed it. Any other ideas? >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> > >

