Tuesday , May 23 2017

Recent Posts

Configuring NTP with Master Clock in Isolated Network

Typically in Active Directory Based Environment – Primary Domain Controller (PDC) will be the master for Time and all other domain joined machines will receive time from the master. Login to Primary Domain Controller (PDC) which holds PDC Emulator Role – In my Case its an Windows Server 2012 R2 ...

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IIS Installation failed–Reserved for use by another transaction

Installation of Web Server IIS Fails on Windows Server. The Request to add or Remove features on the specified server failed. Installation of one or more roles,roles services,or features failed. The function attempted to use a name that is reserved for use by another transaction . Error : 0x800071a90 Solution ...

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Removing DHCP Server on Windows Server

Force Removal of DHCP Server will leave entries in Active Directory. Lets see how to remove it in a proper way. Open DHCP server. Right Click Unauthorize As soon as you Unauthorize Open ADSIEdit Connect to the Configuration Container Drill down to CN=Configuration | CN=Services | CN=NetServices you can see ...

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vSphere Client 500 SSO Error:null

vSphere web Client says 500 SSO Error Null after reboot of vCenter Virtual Appliance. Solution – Once you are connected to your vCenter Server Appliance check your log file hostname# cat   /var/log/vmware/vsphere-client/logs/vsphere-client-virgo.log Reading the logs – The PSC and the VCSA  time was off by 20 minutes. I configured the ...

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Microsoft Exchange Topology Service Crashing on restart

Symptoms – Microsoft Exchange Topology Service Crashing on restart PDC cannot replicate to any Server with RPC server is unavailable Error Events on Exchange Server –  Couldn’t Retrieve Topology information properly by Exchange server it should be “1 7 7 1 0 1 1 7 1 “ Log Name:      Application ...

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Perennially Reservation with PowerCLI for RDMs

ESXi/ESX hosts with visibility to RDM LUNs being used by MSCS nodes with RDMs may take a long time to start/reboot or during LUN rescan Lets see how to set for specific hosts and to all hosts in a cluster. To see ScsiCanonicalName of a Specific Virtual Machine – To ...

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