FIX: Active Directory Replication errors: The RPC server is unavailable. Or The target principal name is incorrect. Or The Kerberos client received a KRB_AP_ERR_MODIFIED error.

Scenario: One of your Site Domain Controller went Out-of-Sync (unable to communicate) for 10-15 days with your PDC.  When you attempt to make replication from that server to the PDC, you’ll end receiving below error messages: REPADMIN /SHOWREPS, results in error “The target principal name is incorrect.” as shown below: C:\>REPADMIN /SHOWREPSHYD-Network\INDHYD-DC02DSA Options: IS_GCSite Options: […]

FIX: DNS Manager fails with error: Access was denied.

Scenario: When you launch DNS Manager console application on your local site Domain Controller server, it will result in below error message.  You notice this behaviour when your domain controller hasn’t communicated with your PDC for a long while (say for 10-15 days), you have your server restarted during this time. During this issue its […]

Fix: The following Domain Controller could not be contacted – A local error has occurred.

Scenario: You attempt to launch the Active Directory Management Console – Active Directory Domains and Trusts, on your domain controller in a different AD site,  you’ll be notified with the below error: —————————Active Directory Domain Services————————— The following Domain Controller could not be contacted: USA-DC01.mylab.lan. A local error has occurred. —————————OK—————————   Fix: If your […]

Disabling Network Location Discovery stops Windows Systems from Pinging

Scenario: To Turn off the Network Location wizard for users, you make below changes to the Network Sharing Settings since then your Windows Systems become not responsive to the Ping command. However, RDP and C$ Drive access still works fine. Enables “Turn off file and printer sharing” for Domain (current profile)   Solution: To let […]

FIX: Arrow Keys Navigation does NOT work in Excel

Issue: The arrow keys navigation does not work in Excel application on your system. The same arrow keys navigation just works fine in other applications. Solution: You probably have the Scroll Lock special key pressed/enabled on your keyboard which causes this behaviour.  To fix click on Scroll Lock special key to release/unlock/disable it. The Scroll […]

Screencast of Installing and Configuring Citrix AppDNA 7.6

Notes: AppDNA Installer takes around 25 minutes to complete the installation. You need to have either Microsoft SQL or Microsoft SQL Express installed.  You need to have full access on your Database to connect and created the AppDNA DB. If you are manually pre-creating the DB, then ensure you set the DB Collation Options as […]

Fix: Microsoft Office Icons Missing or Replaced with Generic white icons

Scenario: All of sudden you notice that your Microsoft Office Icons are Missing or Replaced with Generic white icons.  You perform Icon cache Rebuild but still issue remains.  Cause: The Office installer places all Office applications Icons in the Windows installer folder.  When this folder becomes missing or unavailable, then Office applications loose icons to […]