Download and install the latest version and patch, if applicable. 

Alternate Solution (for the Raiser's Edge 7.92 and earlier)
 

  1. Enter the birth date in Month/Day/9999 when the donor does not give a birth year. For example, 07/01/9999
  2. When querying on birthday, use the criteria Birth Date equals [Month]. For example, Birth Date equals July
OR

Create a constituent attribute (BB515) using a data type of Text to record the date as desired.