vSphere 5.5 Performance Issues

As a VMware Administrator  what are the first few things one should look for in vCenter and what are the steps to resolve it.
Thank you
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Anand PandyaCommented:
As a VMware Admin, you need to check the performance charts in Vcenter console.
Check the cpu, memory usage on servers. If you think it is high check the load on each host and how much is remaining after getting used.
Also check the storage, atleast 10% free space should be available on each storage.
Moreover due to high usage of storage it may be possible that the performance of VM may degrade, so kindly move the VM and storage to different host and examine the performance.
Hope this is kind of initial troubleshooting steps which you can check.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
CPU, Memory, Disk I/O, and Networking performance, please see my EE Article

HOW TO:  Performance Monitor vSphere 4.x or 5.0

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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Also ensure that systems that have lots of network activity are all not on the same host (this is if you have multiple hosts).
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