How to replace SQL Server Express LocalDB for Citrix Virtual Apps server

If you would like to upgrade Citrix Virtual Apps server from Citrix Virtual Apps 7 1912 LTSR version to the newer version, it might happen error messages “We cannot determine which SQL Server version is current installed” and “The SQL Server LocalDB version is lower than the minimum supported version”.

Please on hold to install Jan 2022 patches

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Please on hold to install patches for servers, there are lots of issues happened after install patches, the detail as following information.

Patch Tuesday Megathread (2022-01-12) : sysadmin (reddit.com)

Please wait up to 1 week prior to touching these updates on servers or at least TAKE A BACKUP PRIOR to ANY PATCHING.

How to in place upgrade Citrix Virtual Apps 7 1912 LTSR servers from Windows Server 2012 R2 to Windows Server 2019

As you know the Citrix Virtual Apps 7 1912 LTSR supports Windows Server 2019, today, I am going to show you how to in place upgrade Citrix Virtual Apps 7 1912 LTSR servers from Windows Server 2012 R2 to Windows Server 2019.

How to fix Customer Success Services date error at Citrix licensing configuration

If you try to upgrade Citrix XenApp server to Virtual Apps, it might happen Licensing configuration error, it shows “The product version you’re upgrading to requires that the Customer Success Services date of your licenses is at least 2021-10-06. Your licenses are not compatible with this release.

How to upgrade Citrix XenApp 7.15 LTSR to Virtual Apps 7 1912 LTSR

Today, I am going to show you how to upgrade Citrix XenApp from 7.15 LTSR to Virtual Apps 7 1912 LTSR.

How to fix FRS is deprecated error

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If you are trying to promo windows server 2019 as domain controller, it happened “Verification of replica failed. The specified domain {Domain-Name} is still using the File Replication Service (FRS) to replicate the SYSVOL share. FRS is depreciated.” Error, this is because Windows Server version 1709 (or after version) can no longer be added as an Active Directory domain controller (DC) to an existing domain that is still using File Replication Service (FRS) for replication of the SYSVOL share.

How to reset password for root administrator (nsroot) of Citrix ADC

If you forgot the password of nsroot account, don’t panic, today, I am going to show you how to reset password for nsroot account.

How to upgrade Citrix ADC to 11.1

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If you are still using the old version of Citrix ADC and would like to upgrade to UpToDate version, I won’t recommend you upgrade jump by 2 versions (e.g., 10.x to 12.x), because it might happen system crash issues, today, I am going to show you how to upgrade to 11.1.

How to configure Cisco DUO for Outlook Web App (OWA) of Exchange 2013 and later

Today, I ma going to show you how to configure Cisco DUO two-factor authentication for Outlook Web App of Exchange 2013 and later.

How to fix trust relationship between workstation and primary domain failed without rejoin domain

If you tried to restore VMs (or physical machines) and it shows the trust relationship between this workstation and the primary domain failed, I won’t recommend using rejoin domain to solve issues, because it will happen unexpected issues after disjoin and rejoin domain.

Today, I am going to show you how to fix it without disjoin and rejoin domain.