U25idautomation.dll Crystal Reports Jun 2026
For 32-bit Crystal Reports (Crystal Reports 2011, 2013, 2016)
The u25idautomation.dll is a dynamic link library file designed by IDAutomation. It acts as a bridge between Crystal Reports and the barcode font. In technical terms, it is a .
When Crystal Reports encounters a problem with this DLL, you might see:
Resolving Issues with u25idautomation.dll in Crystal Reports
If you are not locked into a legacy system, switch to . It is denser, more reliable, and has free UFLs like ufl128.dll from the Crystal Reports community. u25idautomation.dll crystal reports
If your IT policy strictly forbids registering third-party DLLs on production servers, IDAutomation offers a workaround. You can use (often provided as .rpt formula documents or formulas pasted directly into the report). These native formulas do the math calculation entirely within Crystal Reports without relying on an external u25idautomation.dll file. While they are slightly more complex to paste into your report, they eliminate DLL registration issues entirely. Proactive Next Steps
: Earlier versions of Crystal Reports were 32-bit and used the 32-bit version of this DLL. Modern versions, like Crystal Reports 2020/2025 , are 64-bit and cannot use the 32-bit UFL.
If deploying a web application via IIS, ensure that the Identity running your Application Pool has read and execute permissions for the folder where u25idautomation.dll is located.
The root cause of these errors almost always boils down to three specific deployment issues: For 32-bit Crystal Reports (Crystal Reports 2011, 2013,
u25idautomation.dll is a Dynamic Link Library file associated with . Unlike standard fonts that simply change how text looks, this DLL acts as a formatter . It takes numeric data (e.g., 12345678 ) and converts it into a string that, when paired with a specific Code 25 font, produces a scannable barcode.
IDAutomation generally recommends moving away from the UFL to avoid these external dependencies. Errors in UFL formula with Crystal Reports - BarcodeFAQ.com
Always open and save the report on the target machine to recompile the formulas.
u25idautomation.dll is a User Function Library (UFL) included in IDAutomation's linear barcode font packages. In the context of Crystal Reports, a UFL acts as a plugin, extending the software's native formula language with new, custom functions. Without this UFL, your report wouldn't be able to transform a simple product number, like "123456789012" , into the complex string of characters that the IDAutomation barcode font needs to print a scannable EAN-13 or Code 128 barcode. When Crystal Reports encounters a problem with this
| Your Application Platform | Required DLL Location | |--------------------------|----------------------| | 32-bit (Any CPU with Prefer 32-bit) | SysWOW64 (32-bit DLL) | | 64-bit | System32 (64-bit DLL) |
// Formula: @Barcode_Code25 U25IDAutomation.Interleaved2of5(Table.SerialNumber)
When you install IDAutomation’s Code 25 package, the DLL registers itself as a UFL. Inside Crystal Reports, you create a that calls the DLL function, for example: