RE: Network delays, hanging
Thanks, Wez: I can't be sure, but I think I'm seeing a more reliable connection since making this change. I find I could set this option in my listening client, which makes life easier. Best wishes, Phil -Original Message- From: James Weatherall [mailto:j...@realvnc.com] Sent: 13 January 2009 10:26 To: 'Philip Herlihy'; vnc-list@realvnc.com Subject: RE: Network delays, hanging Hi Philip, In that case I'd recommend setting the Rate limit pointer-events option in the VNC Viewer's Inputs tab - this causes significantly fewer pointer events to be sent to the server, resulting in fewer small network packets through the Wi-Fi router, which is what tends to lead to problems. Regards, -- Wez @ RealVNC Ltd -Original Message- From: vnc-list-ad...@realvnc.com [mailto:vnc-list-ad...@realvnc.com] On Behalf Of Philip Herlihy Sent: 12 January 2009 21:19 To: vnc-list@realvnc.com Subject: RE: Network delays, hanging Thanks, Ryo and James, Hadn't realised the operation of the two systems was so different. Yes (in answer to James), the server is connected via wireless, but I also connect to another wireless system which works perfectly. Phil -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:44 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging sounds like a simple matter of bandwidth. RDP takes much less bandwidth than VNC (since it's just sending command strings versus repainting the screen) so is more efficient. try limiting the color resolution and all other things to lesson bandwidth requirements and if yes, then that's likely the issue. On Mon, Jan 12, 2009 at 5:32 AM, Philip Herlihy phi...@herlihy.eu.com wrote: Thanks for so quick a response. I don't use RDP and VNC together. In general I prefer VNC as I can set it so that we can both see what's going on. However, with this friend (and I've known another situation like it) VNC seems unreliable rather than just slow: it connects, but it stalls for minutes at a time with the desktop half-drawn, and can frequently drop the connection. Meanwhile, if I try RDP instead, I get a steady and useable connection. If I persist with VNC, I can eventually get the job done, via many disconnections, and it's often easier late at night when the network is quieter. If I try using VNC to another destination I get a steady and reliable connection, so it doesn't seem to be a problem at my end. I could put this down to a busy broadband connection at the far end, or a modem producing a lot of errors perhaps (getting out of my depth here) but what is puzzling is that Remote Desktop does work, albeit fairly slowly. Phil (away from my desk now for several hours) -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:16 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
RE: Network delays, hanging
Hi Philip, In that case I'd recommend setting the Rate limit pointer-events option in the VNC Viewer's Inputs tab - this causes significantly fewer pointer events to be sent to the server, resulting in fewer small network packets through the Wi-Fi router, which is what tends to lead to problems. Regards, -- Wez @ RealVNC Ltd -Original Message- From: vnc-list-ad...@realvnc.com [mailto:vnc-list-ad...@realvnc.com] On Behalf Of Philip Herlihy Sent: 12 January 2009 21:19 To: vnc-list@realvnc.com Subject: RE: Network delays, hanging Thanks, Ryo and James, Hadn't realised the operation of the two systems was so different. Yes (in answer to James), the server is connected via wireless, but I also connect to another wireless system which works perfectly. Phil -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:44 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging sounds like a simple matter of bandwidth. RDP takes much less bandwidth than VNC (since it's just sending command strings versus repainting the screen) so is more efficient. try limiting the color resolution and all other things to lesson bandwidth requirements and if yes, then that's likely the issue. On Mon, Jan 12, 2009 at 5:32 AM, Philip Herlihy phi...@herlihy.eu.com wrote: Thanks for so quick a response. I don't use RDP and VNC together. In general I prefer VNC as I can set it so that we can both see what's going on. However, with this friend (and I've known another situation like it) VNC seems unreliable rather than just slow: it connects, but it stalls for minutes at a time with the desktop half-drawn, and can frequently drop the connection. Meanwhile, if I try RDP instead, I get a steady and useable connection. If I persist with VNC, I can eventually get the job done, via many disconnections, and it's often easier late at night when the network is quieter. If I try using VNC to another destination I get a steady and reliable connection, so it doesn't seem to be a problem at my end. I could put this down to a busy broadband connection at the far end, or a modem producing a lot of errors perhaps (getting out of my depth here) but what is puzzling is that Remote Desktop does work, albeit fairly slowly. Phil (away from my desk now for several hours) -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:16 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
Re: Network delays, hanging
are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
RE: Network delays, hanging
Thanks for so quick a response. I don't use RDP and VNC together. In general I prefer VNC as I can set it so that we can both see what's going on. However, with this friend (and I've known another situation like it) VNC seems unreliable rather than just slow: it connects, but it stalls for minutes at a time with the desktop half-drawn, and can frequently drop the connection. Meanwhile, if I try RDP instead, I get a steady and useable connection. If I persist with VNC, I can eventually get the job done, via many disconnections, and it's often easier late at night when the network is quieter. If I try using VNC to another destination I get a steady and reliable connection, so it doesn't seem to be a problem at my end. I could put this down to a busy broadband connection at the far end, or a modem producing a lot of errors perhaps (getting out of my depth here) but what is puzzling is that Remote Desktop does work, albeit fairly slowly. Phil (away from my desk now for several hours) -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:16 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
Re: Network delays, hanging
sounds like a simple matter of bandwidth. RDP takes much less bandwidth than VNC (since it's just sending command strings versus repainting the screen) so is more efficient. try limiting the color resolution and all other things to lesson bandwidth requirements and if yes, then that's likely the issue. On Mon, Jan 12, 2009 at 5:32 AM, Philip Herlihy phi...@herlihy.eu.com wrote: Thanks for so quick a response. I don't use RDP and VNC together. In general I prefer VNC as I can set it so that we can both see what's going on. However, with this friend (and I've known another situation like it) VNC seems unreliable rather than just slow: it connects, but it stalls for minutes at a time with the desktop half-drawn, and can frequently drop the connection. Meanwhile, if I try RDP instead, I get a steady and useable connection. If I persist with VNC, I can eventually get the job done, via many disconnections, and it's often easier late at night when the network is quieter. If I try using VNC to another destination I get a steady and reliable connection, so it doesn't seem to be a problem at my end. I could put this down to a busy broadband connection at the far end, or a modem producing a lot of errors perhaps (getting out of my depth here) but what is puzzling is that Remote Desktop does work, albeit fairly slowly. Phil (away from my desk now for several hours) -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:16 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
RE: Network delays, hanging
Hi Philip, Is the problem server system attached to the Internet via a wi-fi connection, by any chance? Cheers, -- Wez @ RealVNC Ltd -Original Message- From: vnc-list-ad...@realvnc.com [mailto:vnc-list-ad...@realvnc.com] On Behalf Of Philip Herlihy Sent: 12 January 2009 12:29 To: vnc-list@realvnc.com Subject: Network delays, hanging I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
RE: Network delays, hanging
Thanks, Ryo and James, Hadn't realised the operation of the two systems was so different. Yes (in answer to James), the server is connected via wireless, but I also connect to another wireless system which works perfectly. Phil -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:44 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging sounds like a simple matter of bandwidth. RDP takes much less bandwidth than VNC (since it's just sending command strings versus repainting the screen) so is more efficient. try limiting the color resolution and all other things to lesson bandwidth requirements and if yes, then that's likely the issue. On Mon, Jan 12, 2009 at 5:32 AM, Philip Herlihy phi...@herlihy.eu.com wrote: Thanks for so quick a response. I don't use RDP and VNC together. In general I prefer VNC as I can set it so that we can both see what's going on. However, with this friend (and I've known another situation like it) VNC seems unreliable rather than just slow: it connects, but it stalls for minutes at a time with the desktop half-drawn, and can frequently drop the connection. Meanwhile, if I try RDP instead, I get a steady and useable connection. If I persist with VNC, I can eventually get the job done, via many disconnections, and it's often easier late at night when the network is quieter. If I try using VNC to another destination I get a steady and reliable connection, so it doesn't seem to be a problem at my end. I could put this down to a busy broadband connection at the far end, or a modem producing a lot of errors perhaps (getting out of my depth here) but what is puzzling is that Remote Desktop does work, albeit fairly slowly. Phil (away from my desk now for several hours) -Original Message- From: Ryo Koyama [mailto:rkoy...@gmail.com] Sent: 12 January 2009 13:16 To: Philip Herlihy Cc: vnc-list@realvnc.com Subject: Re: Network delays, hanging are you saying that your RDP drops when you try to connect via VNC, or that VNC in general does not connect? - if the former, could be a simple matter of users where VNC was installed. it will default to the admin account, regardless of what user your logged in as. - if the latter, many possible scenarios. - machine in question is running vista (freeVNC doesn't work) - VNC is set to only accept local connections Ryo On Mon, Jan 12, 2009 at 4:28 AM, Philip Herlihy phi...@herlihy.eu.com wrote: I support several friends using RealVNC (free edition). In one situation, I can connect successfully using Remote Desktop, but if I try to use RealVNC the connections stalls, and often drops. Any thoughts? (Second post - no replies to the first one!) PH ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list ___ VNC-List mailing list VNC-List@realvnc.com To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
