Citrix: Web Interface delay on First Page
1 min read
Recently I did an installation of the Citrix Web Interface 5.4 and noticed a delay on displaying the first page after restarting the server, this problem happened also when I restarted the IIS Service. I found CTX117273:
Background
After restarting IIS, or rebooting the Web Interface server, it takes up to one minute to get the Welcome page for the first user.
Procedure
- Install Web interface 5.0.1.
- Restart IIS.
- Connect to a Web Interface site. The first connection is very slow and it takes up to one minute to get the Welcome page for the first user.
- All other connections are normal until you restart IIS again.
Workaround
This issue is caused by a CRL check sent to Verisign. If the Web Interface server cannot access the internet, the CRL check fails and times out.
- Check in IIS for the ASP.net version that is in use with the Web Interface site.
Modify Aspnet.config in the following directory
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727 (If Web Interface uses .Net framework v2.0.50727)
- Add the following lines to your ASPNET.CONFIG or APP.CONFIG file:
<?xml version=”1.0″ encoding=”utf-8″?>
<configuration>
<runtime>
<generatePublisherEvidence enabled=”false”/>
</runtime>
</configuration>
The target server for the WI installation was indeed a local server with no internet access what so ever so it matched the problem. After changing the .config file I didn’t experience the delay after restarting IIS.
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Kees Baggerman
Kees Baggerman is Senior Technical Director — Performance & Solutions Engineering R&D at Nutanix, where he leads a global team responsible for defining how enterprise applications are delivered on the Nutanix platform. A former Citrix Technology Professional and NVIDIA Enterprise Platform Advisor, he has spent 15+ years driving EUC strategy and technical direction across architecture, product, and customer success. He has been writing here since 2011 — sharing what he learns at the intersection of platform engineering and enterprise IT.
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