Daylight Saving Time Issue in Backup Exec 2010


Symantec Backup Exec 2010 has a DST (Daylight Saving Time) issue – the first run of every scheduled jobs that are with backup time window settings will miss due to ‘The job was scheduled to run, but the availability window closed before the job could start. There may not have been any destination devices available … Continue reading Daylight Saving Time Issue in Backup Exec 2010 →

vSphere 5.0 Security Hardening Recommended VM Settings Configure Script


1) Create 3 text files, one for each security profile: profile3_Low.txt RemoteDisplay.maxConnections,2 profile2_Med.txt RemoteDisplay.maxConnections,1floppyX.present,FALSEserialX.present,FALSEparallelX.present,FALSEusb.present,FALSEideX:Y.present,FALSEisolation.tools.unity.push.update.disable,TRUEisolation.tools.ghi.launchmenu.change,TRUEisolation.tools.memSchedFakeSampleStats.disable,TRUEisolation.tools.getCreds.disable,TRUEisolation.tools.autoInstall.disable,TRUEtools.guestlib.enableHostInfo,FALSE profile1_High.txt RemoteDisplay.maxConnections,1floppyX.present,FALSEserialX.present,FALSEparallelX.present,FALSEusb.present,FALSEideX:Y.present,FALSEisolation.tools.unity.push.update.disable,TRUEisolation.tools.ghi.launchmenu.change,TRUEisolation.tools.memSchedFakeSampleStats.disable,TRUEisolation.tools.getCreds.disable,TRUEisolation.tools.autoInstall.disable,TRUEtools.guestlib.enableHostInfo,FALSEisolation.tools.ghi.autologon.disable,TRUEisolation.bios.bbs.disable,TRUEisolation.tools.hgfsServerSet.disable,TRUEisolation.monitor.control.disable,TRUE 2) Create the ‘vSphere_Security_Configure.ps1’ script #Uncomment if this SnapIn has not been added#Add-PSSnapIn VMware.VimAutomation.Core CLS #Specify the VM name here$VM = Get-VM "DEV-LINUX-01" #Specify the security profile file$file = Import-Csv c:\powercli\profile3_Low.txt -Header Key,Value $creds = Get-VICredentialStoreItem -file “C:\powercli\credfile.xml”Connect-viserver -Server … Continue reading vSphere 5.0 Security Hardening Recommended VM Settings Configure Script →

vSphere 5.0 Clustering Basic Design Principles


1) Although HA is not dependent on DNS any more, it is still recommended to register the hosts with their FQDN. 2) Ensure syslog is correctly configured and log files are offloaded to a safe location to offer the possibility of performing a root cause analysis in case disasters strikes. 3) In stateless environment, ensure … Continue reading vSphere 5.0 Clustering Basic Design Principles →

vSphere 5.0 Security Hardening Recommended VM Settings Check Script


#Uncomment if this SnapIn has not been added#Add-PSSnapIn VMware.VimAutomation.Core CLS $a = "<style>"$a = $a + "BODY{background-color:peachpuff;}"$a = $a + "TABLE{border-width: 1px;border-style: solid;border-color: black;border-collapse: collapse;}"$a = $a + "TH{border-width: 1px;padding: 0px;border-style: solid;border-color: black;background-color:thistle}"$a = $a + "TD{border-width: 1px;padding: 0px;border-style: solid;border-color: black;background-color:palegoldenrod}"$a = $a + "</style>" $creds = Get-VICredentialStoreItem -file “C:\powercli\credfile.xml”Connect-viserver -Server $creds.Host -User $creds.User -Password … Continue reading vSphere 5.0 Security Hardening Recommended VM Settings Check Script →

ESXi 5.0 False Alarm ‘no management network redundancy’


In the vCenter, if you see the warning ‘this host currently has no management network redundancy’ in the summary tab for a host, but you are sure there is. It may be caused by that the HA agent (FDM) does not update the information in a timely fashion. To fix it, you have to manually … Continue reading ESXi 5.0 False Alarm ‘no management network redundancy’ →