VPN Troubles

I'm using Cisco VPN client to connect my laptop to my office domain, and to then use RDP. This was working fine, up until Monday. Not working anymore. The VPN connects, but I can't use RDP or ping any of the computers on the network. (I don't know whether I was able to ping before, because I never tried. This laptop is not part of the office domain, in case that matters.)
carlosabAsked:
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AlanConsultantCommented:
Hi,

When you say that the 'VPN Connects' - how do you know it has connected?

If, after connecting, you run an IPConfig /All - what do you get?

Thanks,

Alan.
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JohnBusiness Consultant (Owner)Commented:
Did you do Windows updates that surpassed the Cisco client?  

I am not a fan of this software (which feeling comes from trying to use it).  I use NCP Secure Entry for this task (www.ncp-e.com). If you wish to try it, they have a full function 30-day trial and they helped me get it going with email support.
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AlanConsultantCommented:
Hi,

What do you get if you run an:

IPConfig /All

both before and after connecting via the VPN?

Thanks,

Alan.
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carlosabAuthor Commented:
Before connecting to VPN:

C:\Users\Carlo Sabatini>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : DESKTOP-SRMJR
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
   Physical Address. . . . . . . . . : 74-86-7A-52-3B-1F
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
   Physical Address. . . . . . . . . : 16-8E-8F-09-7A-F7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wi-Fi:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Dell Wireless 1705 802.11b|g|n (2.4GHZ)
   Physical Address. . . . . . . . . : C4-8E-8F-09-7A-F7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::2d83:e714:a046:7e33%18(Preferred)
   IPv4 Address. . . . . . . . . . . : 172.20.28.106(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.248.0
   Lease Obtained. . . . . . . . . . : Thursday, November 16, 2017 9:01:45 AM
   Lease Expires . . . . . . . . . . : Friday, November 17, 2017 4:47:24 PM
   Default Gateway . . . . . . . . . : 172.20.24.1
   DHCP Server . . . . . . . . . . . : 172.20.24.1
   DHCPv6 IAID . . . . . . . . . . . : 63213199
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-13-2E-A8-74-86-7A-52-3B-1F
   DNS Servers . . . . . . . . . . . : 172.20.24.1
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Bluetooth Network Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
   Physical Address. . . . . . . . . : C4-8E-8F-09-7A-F8
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 12:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
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carlosabAuthor Commented:
After connecting:

C:\Users\Carlo Sabatini>ipconfig

Windows IP Configuration


Ethernet adapter Ethernet:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Wireless LAN adapter Local Area Connection* 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Ethernet adapter Ethernet 5:

   Connection-specific DNS Suffix  . : default.domain.invalid
   Link-local IPv6 Address . . . . . : fe80::8075:65de:547e:a842%13
   IPv4 Address. . . . . . . . . . . : 192.168.242.115
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . :

Wireless LAN adapter Wi-Fi:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::2d83:e714:a046:7e33%18
   IPv4 Address. . . . . . . . . . . : 172.20.28.106
   Subnet Mask . . . . . . . . . . . : 255.255.248.0
   Default Gateway . . . . . . . . . : 172.20.24.1

Ethernet adapter Bluetooth Network Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter Local Area Connection* 12:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
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carlosabAuthor Commented:
John,

Not sure if there was an update. My system is set to update automatically.

Carlo
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JohnBusiness Consultant (Owner)Commented:
There is nothing there that would stop VPN. Make sure you are on an external subnet
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JohnBusiness Consultant (Owner)Commented:
If the subnets are different, the Windows Update may have changed things.
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carlosabAuthor Commented:
How do i check to see if I am on an external subnet?
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JohnBusiness Consultant (Owner)Commented:
Check the subnet (IP address and subnet) of the client and make sure it is different from the office.

E.g. if the Office is 172.20.28.x   then the client cannot be on 172.20.28.x
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carlosabAuthor Commented:
I can't absolutely verify right now, but I'm extremely confident that the office is not 172.x.x.x and is instead 198.x.x.x.
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JohnBusiness Consultant (Owner)Commented:
That sounds good. Try uninstalling the VPN app, restart and reinstall. If that does not work, consider updates
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AlanConsultantCommented:
Hi Carlos,

Just checking - do you have a VPN app installed, or is it just a standard VPN tunnel (no app - just a direct connection)?

Thanks,

Alan.
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carlosabAuthor Commented:
John - good ideas, but didn't work. I ran Windows Update and its now fully up-to-date. Then I uninstalled the VPN app, restarted, and reinstalled. Behavior is the same.

Alan - VPN app installed: Cisco VPN Client.
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JohnBusiness Consultant (Owner)Commented:
Try a different VPN client application. I gave up on the Cisco client a long time ago.
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carlosabAuthor Commented:
Thanks for the effort John. Turned out that the server had rebooted - presumably after an update. But, when it reboots on its own, it doesn't go far enough. Once I actually logged in as a user on the server, everything started working fine.
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JohnBusiness Consultant (Owner)Commented:
Thanks for the update and I was happy to help you.
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