...
1. When we login to remote site vcenter within SRM UI, an error is displayed:"Failed trying to retrieve token: ns0:RequestFailed: EndTime: Thu Nov 14 11:16:07 CST 2019 is not after startTime: Thu Jan 09 15:36:50 CST 2020". The date is probably different.2. SRM UI displays the error below when trying to pair sites: ERROROperation FailedSRM server 'Memphis' cannot complete a pair operation. The received single sign-on token is valid from '2024-03-15 14:35:18.862' to '2024-03-15 22:35:18.862'. It is currently '2024-03-15 14:34:07.285'. The tolerance is 30000 milliseconds.Operation ID: 32662462-9cbb-43c3-92ac-e173b1caa71e3/15/24, 9:35:19 PM +07003. From vCenter, vmware-identity-sts.log on remote vCenter, below log messages can be seen:[2020-01-09T15:36:50.531+08:00 tomcat-http--43 vsphere.prd 8ac53787-3eb2-412a-8c32-16a0add01c47 DEBUG com.vmware.identity.sts.impl.HoKConditionsAnalyzer] Found HoK certificate [[ Version: V1 Subject: OU=Site Recovery Manager client, O=VMware vSphere Client, C=US Signature Algorithm: SHA256withRSA, OID = 1.2.840.113549.1.1.11 Key: Sun RSA public key, 2048 bits modulus: 26584583412174822090806596074634626235292534271726185542202376482549797065149045088447816850404034771759725273421613115401514482358184897091417150792312990801617108210774900292912087961585096411776099985171583447223194199838220638292779801159740619851739001817375494943253704807011777299676604573163468982754146370538969804640016845886088456290907675282514774846922746232994309075209445683945273800365501026275323792787570369388464911734329087864805565520139549955581234034124130958632594892800628123347200151364961638765297220660199483410880838092273881612533044809866049381909541331146300764356286346868367636437251 public exponent: 65537 Validity: [From: Tue Nov 14 11:16:07 CST 2017, To: Thu Nov 14 11:16:07 CST 2019] Issuer: OU=Site Recovery Manager client, O=VMware vSphere Client, C=US SerialNumber: [ 01671038 08b4]]4. From /var/opt/apache-tomcat/logs/dr.log:2020-01-09 07:36:50,592 [srm-reactive-thread-12] INFO com.vmware.vim.sso.client.impl.SecurityTokenServiceImpl$RequestResponseProcessor 30ba2fc4-635e-4dfb-8be9-178d1214ba45 pairLogin - Failed trying to retrieve token: ns0:RequestFailed: EndTime: Thu Nov 14 11:16:07 CST 2019 is not after startTime: Thu Jan 09 15:36:50 CST 20205. Time synchronization looks good on vCenter/SRM/VR.6. Restarting vCenter, SRM or vSphere Replication won't help.
The issue is can be caused by expired SRM & VR certificates or services.
NOTE: Take a normal snapshot of the appliance you are renewing the certificate on. Try the steps in the order mentioned below and check if it works after each step. 1. Renew the certificates of SRM or VR, if you find them to be expired Change the Site Recovery Manager Appliance Certificate Change the SSL Certificate of the vSphere Replication Appliance 2. Restart the dr-client & hms service in vSphere replication appliance 3. Restart the dr-client & srm-server service in Site Recovery Manager appliance