time – Mohammed Wasay

Speed up Active Directory & DNS replication between Sites

Posted on August 8, 2017 by mo wasay

Using the standard GUI Microsoft Management Consoles toÂ makeÂ the change toÂ speed up Active DirectoryÂ replicationÂ is not possible. The best result of usingÂ administratorÂ consoles will be toÂ increase domainÂ replicationÂ between domainÂ controllersÂ to 15 minutes.Â TheseÂ large time values were instituted into Active Directory at version 1 becauseÂ inter-siteÂ connectionsÂ during that era of computing and networking were muchÂ lower in bandwidth with the most common being frame-relay or […]

Lists all users last logon time

Posted on May 8, 2017 by mo wasay

As administrators we often want to check whichÂ usersÂ have not logged in for quite a while, or what accounts recently accessed a system, etc. The following script list all users and their last logon time. With the lastloggeduser.csv we can get fancy with excel to find differences based on age and more. $([ADSI]”WinNT://$env:COMPUTERNAME”).Children | where {$_.SchemaClassName […]

How to Configure Time Server (NTP Server) on Centos 7?

Posted on February 15, 2017 by mo wasay

Prerequisites: VM/ Physical – It is recommended to have the time server as a physical server, but VMs should be okay depending on your setup and requirement. My virtual lab environment is VMware based so here’s the guide for a VM. Once the CentOS Minimal is installed on the VM make sure to install open-vm-tools. […]

Updating the system time on Server 2008R2 & 2012R2 using NTP Servers

Posted on September 18, 2015August 22, 2016 by mo wasay

To update, use the command below (2008 and 2012 server compatible) w32tm /config /manualpeerlist:”ntp_server” /syncfromflags:manual /reliable:yes /update change the ntp_server with your source. CheckÂ http://tf.nist.gov/tf-cgi/servers.cgi for servers Restart the time service net stop w32time net start w32time Resync the time w32tm /resync Verify your sync status w32tm /query /status Commands above should be fine if your […]