during VPN access we’re receiving certificate error

[Prime]

This is the issue for most of the users.

Current VPN License : 150

VPN Users connected: #Peak 786, #current 690

Disk space: From active security gateway

In ENDPOINT SECURITY GETTING ERROR AS:- CONNECTION FAILED,GATEWAY CERTIFICATION HAS EXPIRED.PLEASE CHECK YOUR COMPUTER'S TIME AND DATE SETTINGS.

[Expert@P1-DC1-R5-N397-F01:0]# df -kh

Filesystem                                                          Size       Used      Avail      Use%     Mounted on

/dev/mapper/vg_splat-lv_current          32G        12G        19G        37%       /

/dev/sda1                                                         289M   64M        211M  24%          /boot

tmpfs                                                                  7.8G   16K            7.8G   1%             /dev/shm

/dev/mapper/vg_splat-lv_log                   59G   35G            21G  64%             /var/lo

[PhoneBoy]

Probably taking about the gateway certificate.
Specifically in the gateway object.
When does it/did it expire?

[Prime]

SSL VPN certificate for remote VPN will expire by 14th MAY 2020

[PhoneBoy]

You'll need to renew it.