![]() ![]() To recap on the original issue, when I backup a 9GB VHD file over the VPN using Bvckup2 it causes a large memory leak in the Windows SStpSvc service, where it consumes so much memory it eventually crashes the service and drops the VPN. So for the purpose of this test I have to find a way to make it work. An 100/2 Mbps internet link connects the two servers.įor various reasons I won't go into I am unable to get a proper IPSec VPN established, so I am resorting to using the microsoft VPN client. My lab consists of a client running Windows Server 2012 R2 and a remote server also running Windows Server 2012 R2. I'm testing the use of Bvckup2 in a lab to determine the viability of using the software to backup VHDs to a remote site. Jan 22, 2015Some more background on this issue. In current testing, at 2.5% of a 9GB file, the svchost process is consuming 1GB of RAM. So I think the offending service is SStpSvc (Secure Socket Tunneling Protocol Service). When the net stop command got to stopping the Workstation service it kill the backup job - which is expected. So then I stopped nsi - this has a long list of dependant services. I attempted to stop SStpSvc but it refused to stop it as it would not stop the dependancy "Remote Access Connection Manager". I went through the process of stopping each service to identify the offender, leaving nsi and SStpSvc till last. I'm now running ProcessExplorer and enumerated the services running on that effected svchost process. I've downgraded to 72.5 and the same behaviour appears when backing up over the VPN using windows native client. This client has 16GB of RAM so will not exhaust as quickly as the Windows 7 client only had 8GB. The server is also running Windows Server 2012 R2 with RRAS. I've now switched testing with a Windows Server 2012 R2 as the client. I've tested backups locally - disk to disk as well as over the local LAN and do not have this issue. Jan 22, 2015The VPN client is the built-in Windows client. ![]()
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