Mobile VPN Client User’s Guide
12
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Unable to activate VPN 
connection. Update VPN policy 
first.
• Legacy authentication failed.
• The certificate that you use to 
authenticate to the VPN gateway is 
missing, expired, or its validity 
period has not begun yet.
• Check your user name and password 
and try again.
• Select a VPN policy in the in the VPN 
policies view, press Options, and select 
Update policy to update the VPN policy.
• Check the date and time settings on 
the mobile device.
Unable to log on to policy server. 
Delete server and redefine details.
The server certificate of the VPN policy 
server expires.
In the VPN policy servers view:
1 Press Options and select Delete server to 
delete the VPN policy server. 
2 Press Options and select New server to 
add the VPN policy server again.
Unable to log on to policy server. 
Enter policy server user name and 
password.
The certificate that authenticates you 
to the VPN policy server expires or the 
administrator revokes the certificate.
• Report this error to the administrator. 
He gives you a one-time password for 
logon.
• Enter the user name and one-time 
password to authenticate to the VPN 
policy server.
• A new certificate is enrolled for you.
Unable to log on to policy server. 
See VPN log for details.
The validity period of the certificate 
that authenticates you to the VPN 
policy server has not begun yet.
Check the date and time settings or wait 
until the validity period of the certificate 
begins.
Message Cause Action