Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3 The value "%4" specified ...

Outlook Web App couldn't initialize.

Invalid forms registry file %1  Line number = %2  Position = %3 The value "%4" specified for the IsRichClient attribute isn't a valid Boolean value. Change this property in the registry to contain True or False.

The forms registry is a critical component of Outlook Web App. If this error isn't addressed, users might not be able to access Outlook Web App. The Help and Support Center provides information about how to troubleshoot the forms registry.

Outlook Web App couldn't initialize. Forms registry %1 inherits forms registry %2, but forms registry %2 couldn't be found. ... Outlook Web App couldn't initialize. Forms registry %1 specifies %2 as the base experience, but %2 is not defined in the ... Outlook Web App couldn't initialize. Forms registry %1 specifies %2 as the base experience, but %2 is not defined in the ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3 The value "%4" specified ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3 The value "%4" specified ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3 The value "%4" specified ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3 The value "%4" specified ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3. Either the ClientControl ... Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3. Either the ClientControl ...