http://support.citrix.com/article/CTX138115
Apply the following hotfixes for XenServer 6.2.0:
CTX139790 – Hotfix XS62ESP1001 - For XenServer 6.2.0 Service Pack 1 > XenCenter update. Not a host side hotfix and needs to be installed before applying Service Pack 1. (Includes XS62E003).
CTX139788 – XenServer 6.2.0 Service Pack 1 (Includes XS62E001, XS62E002, XS62E004, XS62E005, XS62E009, XS62E010, XS62E011, XS62E012).
Reboot after applying XenServer 6.2.0 Service Pack 1.
CTX140416 – Hotfix XS62ESP1003 - For XenServer 6.2.0 Service Pack 1.
CTX141036 – Hotfix XS62ESP1008 - For XenServer 6.2.0 Service Pack 1 (Includes XS62ESP1002 and XS62ESP1004).
CTX140553 – Hotfix XS62ESP1005 - For XenServer 6.2.0 Service Pack 1.
Update XenServer drivers after applying Hotfix XS62ESP1005 - For XenServer 6.2.0 Service Pack 1, refer to article CTX140483 - Driver Disks for XenServer 6.2.0 Service Pack 1 with Hotfix XS62ESP1005. http://support.citrix.com/article/CTX140302
Restart XenServer.