- Check task manager in order to find out what process is consuming CPU.
- Try stoping webmanagement and check if goes better
- If it have local database, don't use vcenter with more than 5 hosts
- Check your database server if it is external
VMWare Certified Professional 310/410
Technical Support Engineer
Consider awarding points for "helpful" and/or "correct" answers.
Check also DB status and log settings in vCenter.