27 09, 2018

repadmin /syncall RPC Server is unavailable – ipv6 problem

By |2018-09-27T09:57:30+02:00September 27th, 2018|Active Directory, Windows Server|0 Comments

  Recently I was cleaning up our DNS system after adding new NICs to the server and during this process I accidentally disabled DNS service on IPv6 protocols. I am perfectly aware of dangers of disabling IPv6 in recent Windows versions(2008 and up) but somehow I decided that DNS servers shouldn't listen or respond on [...]

22 04, 2016

How to set ntp server in Windows Server

By |2016-12-22T21:35:10+02:00April 22nd, 2016|Microsoft, Windows Server|0 Comments

When running an Active Directory environment based on Windows Server it is critical to have proper time synchronization in order to keep authentication going. Time difference larger than 5 minutes may result in authentication failures on clients and error event logs on Active Directory Domain Controller. Standard time.windows.com sometimes is not responding or can't be [...]

16 06, 2015

How to rename Windows Server 2012 domain

By |2016-12-22T21:35:10+02:00June 16th, 2015|Active Directory, How-To's, Microsoft, Windows Server|0 Comments

There are times, when after creating and setting up domain environment you realize that you made a mistake in naming convention. For example domain with .local or .intranet was used. According to Microsoft and many sources like for example mdmarra.com blog you should avoid TLD and avoid above names since they are now sold by ICANN and [...]

23 01, 2014

Disabling printer redirection in Windows 2008 RDP

By |2016-12-22T21:35:11+02:00January 23rd, 2014|Microsoft, Windows Server|0 Comments

Few days ago we were checking our server logs to make sure all servers are running 100% stable. On one of our Terminal Services server we have discovered, that there are many errors like this: Product: Windows Operating System ID: 1103 Source: Microsoft-Windows-TerminalServices-Printers Version: 6.0 Symbolic Name: EVENT_NOTIFY_PRINTER_REDIRECTION_FAILED Message: An internal communication error occurred. Redirected [...]