Symptoms
Internal Error 2755 when installing Citrix Products or Services Packs via msi packages.
Event ID 10005 in MsiInstaller
Cause
The installation file is most likely being executed from a mapped drive.
Resolution
Installing service packs directly from the console is a recommended Citrix best practice.
Copy the installation files directly to the server drive and then launch the msi file or specify a UNC path within the execute statement.
More Information
CTX456788 – [Document Not Found].
[Q255582] "Windows Installer Installation Error on Terminal Server"
[Q286440] "Error Installing Conf. Server through Terminal Services"
[Q254841] "Internal Error 2755 with Install at Terminal Server Client"
[Q305640] “PRJ2000: Internal Error 2381 or Internal Error 2755 When You Install Microsoft Project”