6.7

Table Of Contents
n
All the remote file system shares used as library backings must be accessible at the time of the
upgrade.
n
No subscribed libraries are using file based subscription URI.
If you are upgrading from vCenter Server 6.0 Update 1, no actions are necessary.
If your environment does not meet the requirements, you must perform the following actions to prepare
for upgrade.
Verify Network Prerequisites Before Upgrading
Verify that your network is set up correctly and meets connectivity prerequisites for upgrading
vCenter Server.
For information on creating a PTR record, see the documentation for your vCenter Server host operating
system.
For information about configuring Active Directory, see the Microsoft Web site.
Domain users that are part of a Windows Administrators group with vCenter Server Administrator
permission cannot be used to authenticate vCenter Server during upgrade and do not have
vCenter Server permission after upgrade.
Procedure
1 Verify that the fully qualified domain name (FQDN) of the system where you will upgrade
vCenter Server is resolvable. To verify that the FQDN is resolvable, type
nslookup -nosearch -nodefname your_vCenter_Server_fqdn at a command-line prompt.
If the FQDN is resolvable, the nslookup command returns the IP and name of the domain controller
machine.
2 Verify that DNS reverse lookup returns a fully qualified domain name when queried with the IP
address of the vCenter Server.
When you upgrade vCenter Server, the installation of the web server component that supports the
vSphere Web Client fails if the installer cannot look up the fully qualified domain name of the
vCenter Server from its IP address.
Reverse lookup is implemented by using PTR records.
3 If you use DHCP instead of a manually assigned (static) IP address for vCenter Server, make sure
that the vCenter Server computer name is updated in the domain name service (DNS). Test the
update by pinging the computer name.
For example, if the computer name is host-1.company.com, run the following command at the
Windows command prompt:
ping host-1.company.com
If you can ping the computer name, the name is updated in DNS.
vCenter Server Upgrade
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