Cisco Anyconnect Error : “The AnyConnect package on the secure gateway could not be located.“

Error: Cisco AnyConnect VPN Client The AnyConnect package on the secure gateway could not be located. You may be experiencing network connectivity issues. Please try connecting again.

Solution :

You have to upload or locate Anyconnect .pkg file on the ASA.

1. Login to ASA via CLI and in config mode give below commands

webvpn
 enable outside
 anyconnect image disk0:/anyconnect-win-4.2.00096-k9.pkg 

Note : You need to upload the appropriate .pkg file to ASA before giving above command .You can also check the anyconnect pkg file in ASA using #show disk0: command

 asa1/act/pri# show disk0:
--#--  --length--  -----date/time------  path
   175  6487517     May 22 2014 12:49:30  anyconnect-macosx-i386-2.5.2014-k9.pkg
  176  6689498     May 22 2014 12:49:30  anyconnect-linux-2.5.2014-k9.pkg
  177  4678691     May 22 2014 12:49:32  anyconnect-win-2.5.2014-k9.pkg
   179  38191104    Feb 03 2016 16:34:36  asa912-smp-k8.bin
   184  23374256    Feb 21 2016 10:42:28  asdm-716.bin
  191  69285888    May 19 2016 13:29:32  asa942-smp-k8.bin
  192  18989375    May 22 2016 10:49:54  anyconnect-win-4.2.00096-k9.pkg <-- This file is used in this example
  193  25819140    May 23 2016 12:23:32  asdm-761.bin
  196  84805632    Aug 17 2017 10:49:16  asa963-1-smp-k8.bin
  197  26916144    Aug 17 2017 10:50:26  asdm-781-150.bin

2. To verify
Do a "show run webvpn" on your ASA to check the above.

asa1/act/pri# sh run webvpn
webvpn
 enable outside
 anyconnect image disk0:/anyconnect-win-4.2.00096-k9.pkg 1
 anyconnect enable

Save the configuration and try to login again using the anyconnect