Any known issues upgrading from XenApp 7.15 CU3, to CU5?

jnordeng
jnordeng used Ask the Experts™
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Before rolling into production, want to upgrade our XenApp 7.15 environment from CU3 to CU5 on Windows 2016. Referenced https://docs.citrix.com/en-us/xenapp-and-xendesktop/7-15-ltsr/whats-new/known-issues.html   Looking for any known issues and any database schema changes (that I need to request from the DBA's).  I'm not seeing a lot of issues noted here, but wanted to check in and see if anyone has had any issues.

We are not using XenDesktop only XenApp (VDA).

I realize 1912 is out and would love to go there, but the License Server requirement is our hold up until users are off of XenApp 6.5 Completely.

Thanks in advance.
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Citrix Technology Professional - Fellow
Top Expert 2010
Commented:
I know of no show-stopper issues. Just follow the upgrade flow chart.

Upgrade a deployment
Carl WebsterCitrix Technology Professional - Fellow
Top Expert 2010

Commented:
7.15 LTSR Known Issues

Known issues in Cumulative Update 5
Attempts to upgrade a Windows 7 VDA from 7.6 LTSR CU8 to this release might result in a fatal exception, displaying a blue screen. No workaround is available.

Perform any one of the following workarounds when you upgrade a Windows 7 VDA from 7.6 LTSR CU8 to this release:

Uninstall 7.6 LTSR CU8 and then install 7.15 LTSR CU5.
Manually disable the Citrix WDDM driver on Windows 7 machines and then upgrade to this release. To disable the Citrix WDDM driver, perform the following steps:
Open Device Manager.
Click Display adapters and then expand the selection.
Right-click Citrix Display Driver (Citrix Systems - WDDM) and then select Disable. [LCM-6798]
On a VDA that is running Windows 7 or Windows Server 2008 R2, a VC++ error might occur when you launch an App-V application. The issue occurs because the App-V client relies on a specific version of VC++ 2013 to function.

As a workaround, apply the Microsoft hotfix https://support.microsoft.com/en-in/help/4014009/march-2017-servicing-release-for-microsoft-desktop-optimization-pack. Alternatively, install the App-V client first and then install the Cumulative Update 5 version of the VDA. [LCM-6809]

Citrix Scout might fail to run health checks for Delivery Controllers that are running Windows 2008 R2. As a result, the following message appears: Check failed. The issue occurs when there is no internet connectivity on the Delivery Controller. As a workaround, download the check scripts and then run the scripts manually. For details, see the Knowledge Center article CTX263240. [LCM-6837]

Author

Commented:
Thanks, I saw this but we aren't using the XenDesktop feature and aren't using XenApp 2008 R2 in this environment, so think this means we don't have to worry about these issues.  Our XenApp 7.15.3000 environment is running on Windows 2016 and we are only using XenApp (VDA).

Maybe I'm misreading though, so appreciate the info.
Carl WebsterCitrix Technology Professional - Fellow
Top Expert 2010

Commented:
Correct. Backup EVERYTHING first, follow the flowchart, and all is well.

Author

Commented:
Awesome, thanks

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