VPN PPTP Connects but doesn't work

Enabling and disabling Internet Sharing worked for me, too. Thank you for that!

I also have VMware installed.

Tried all method in this thread but no success 😟

My routing table is:

localhost:~ network$ netstat -ar
Routing tables

Internet:
Destination Gateway Flags Refs Use Netif Expire
default 10.10.100.250 UGSc 2 0 ppp0
default 10.1.1.1 UGScI 1 0 en1
10 link#5 UCS 3 0 en1
10.1.1.1 0:1b:11:9:71:f0 UHLWI 3 182 en1 1200
10.1.1.2 localhost UHS 0 1 lo0
10.10.100.250 172.29.255.254 UH 3 0 ppp0
10.167.27.165 link#5 UHRLWI 0 46 en1 2
10.255.255.255 ff:ff:ff:ff:ff:ff UHLWbI 0 6 en1
sng-ntp-ext.asia.a 10.10.100.250 UGHW3I 0 0 ppp0 3590
127 localhost UCS 0 0 lo0
localhost localhost UH 0 64 lo0
137.111.189.2 10.1.1.1 UGHS 9 11 en1
netdnsprod1.mq.edu 10.10.100.250 UGHW3I 0 1 ppp0 3589
169.254 link#5 UCS 0 0 en1
172.29 ppp0 USc 1 0 ppp0
172.29.255.255 ppp0 UHW3I 0 24 ppp0 3595
192.168.1 link#8 UC 2 0 vnic1
192.168.1.2 0:1c:42:0:0:9 UHLWI 1 2 lo0
192.168.1.255 ff:ff:ff:ff:ff:ff UHLWbI 0 6 vnic1
192.168.2 link#7 UC 2 0 vnic0
192.168.2.2 0:1c:42:0:0:8 UHLWI 0 2 lo0
192.168.2.255 ff:ff:ff:ff:ff:ff UHLWbI 0 6 vnic0
a198-142-23-73.dep 10.1.1.1 UGHWI 1 2 en1

Internet6:
Destination Gateway Flags Netif Expire
localhost localhost UH lo0
fe80::%lo0 localhost Uc lo0
localhost link#1 UHL lo0
fe80::%en1 link#5 UC en1
macbookpro-64b9e8b 0:26:bb:14:c7:49 UHL lo0
ff01:: localhost Um lo0
ff02:: localhost UmC lo0
ff02:: link#5 UmC en1

Could anyone can take a look? Many thanks.

Still doesn't work? Try this.

Change your Ethernet MTU to 1450.

System Preferences -> Network -> Ethernet -> Advanced -> Ethernet -> MTU = 1450.

Hope this helps.

Message was edited by: nonamelive

I searched for a solution a long time. What did the trick for me is switching on and of "Internet Sharing". Now the VPN (PPTP) works without any problem.

Hi all,

I've got a two week old Macbook Pro and am having the same problem.

My VPN connects, the data traffic meter is going, I get an IP address, but I can't see any shared drives at all... When I'm at the office and plugged directly into the intranet everything works fine, just no love over the VPN. Even if I try and connect to a specific IP address I get the error message "The server may not exist or it is unavailable at this time. Check the server name or IP address, check your network settings..." blah blah blah.

I've deleted the SystemConfiguration, enabled/disabled internet sharing, ticked and unticked the "send all traffic thru" blah blah... No luck!

Any ideas?

Many thanks in advance 🙂

Nobody has any other advice at all?

I got it working after uninstalling VMWare Fusion (using the uninstaller that comes with the app).

I think I found the reason of my one but not sure if it applies to other situations. The VPN network I try to access is on 10.x.x.x, my home network is on 10.x.x.x as well. I suspect the reason is the route which should be pointed to the VPN gateway interface is still pointed to the home network gateway, this results all the packages sending via VPN tunnel can not be directed properly. In other words, the tunnel splitting function does not work under my situation. When I changed my home network to other private range,say 192.168.x.x, it works well.

Hope it is helpful...

Hey, I don't think the address range is an issue because even if I am connected to the net wirelessly (via my Nokia) I get the same problem. I can connect fine, traffic meters are going, I can surf the net fine, just can't access any work servers... What to do?

Maybe your network environment is different with mine, so it could be other reasons cause your problem. But the good news is Apple just released 10.6.3 update yesterday, why not try it and see how it goes.

Just installed the 10.6.3, still no love!

Very frustrating... any ideas??

bump? is nobody else having this problem?

Hi all,

Since 10.6.3 installation, I encounter THE problem ! I've tried all tips listed in this thread... No success. Until Nonamelive talk about mtu modification...
THANKS ! Really ! Change mtu to 1450, PPTP works well !

Thank you! Your instructions for deleting the contents of

/Library/Preferences/SystemConfiguration

and restarting fixed our issues completely.

Kudos to you!

hi all, i tried all the tricks listed here, and some of them only worked for a while; when i reconnect they just stopped working. just saw this new MTU trick and it's been working so far, have yet to disconnect. but i suspect it's gonna stopped working too... keep u posted.