Nslookup for WINS?

Nslookup for WINS Entry? We all know using Nslookup tool we can check the DNS name resolution, easy to use while troubleshooting name resolution and DNS related issues, NSLookup tool also used to check the WINS entry, yes you can check the WINS entry using NBlookup tool to query against a WINS server If you… Read More »

Windows 10 for Free

Free Windows 10 Upgrade Finally Microsoft followed their competitor’s footsteps, free update to new windows versions, yes Microsoft Windows 10 will be a free upgrade for Windows 7, Windows 8.1 and Windows Phone 8.1, consumers no need to pay to get the new windows, seems like an Apple iOS and Google Android As per the… Read More »

Active Directory on Cloud

Active Directory on Cloud (Azure Active Directory) May be a year back I couldn’t think Active Directory on Cloud, technology is always changing and now we have Azure Active Directory or Azure AD/ AAD, is a cloud-based identity and access management service hosted in Microsoft Azure datacentres We can’t ignore the fact that this can… Read More »

Extract DNS root hints from Domain Controller

Extracting the DNS root hints from windows DNS servers are simple procedure, before going to explain this I would like to explain how the root hints are configured in windows servers, if you have question like how root hints are configured and is DNS root hints are replicated through Active Directory replication then read further… Read More »

Category: DNS

Can I restore a schema partition?

Straightforward answer is NO, Any change done in the schema can’t be revert back by deletion or restore, however we can deactivate the change (like attribute), there is no supported way of restoring schema from the backup and you can’t do authoritative restore of schema partition, the only option is to do the forestrecovery If… Read More »

AD Slow Authentication and prompting for credentials again and again

AD Slow Authentication and prompting for credentials again and again (Active directory Troubleshooting – Part 2) It’s a most common issue in a complicated Active Directory environment, before am going to discuss about the authentication issues, I would like to discuss about the Active Directory basics like Pass through authentication, AD secure channel, NTLM and… Read More »

Active directory Troubleshooting (Part1 – Diagnostics Logging)

Troubleshooting Active Directory issues like authentication failures, performance issues and logon issues, we can use different methods to monitor the AD, I will discuss more about enabling diagnostics logging, adding related counters on performance monitor to monitor the AD, Enabling debug logging for the Net Logon service As an Active Directory Administrator did any one… Read More »

Unable to kill process

If you try to kill the process from task manager, it failed with Access Denied error, I have used schedule task to run the batch file (batch file uses the repadmin command) schedule task failed with could not start, because the repadmin command stuck in task manager I have used task manager to end the… Read More »

Computer account is automatically disabled

When disjoin a computer from the domain the computer account is automatically “Disabled”, we have to delete from the domain before rejoin the same computer back the domain, computer account will only be disabled if you use an account with sufficient permission to remove this computer from the domain (credentials of a user that has… Read More »

Category: AD