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Refer below link for tips<br />
<a href="http://www.dba-oracle.com/t_ora_12571_tns_packet_writer_failure.htm" rel="ugc">http://www.dba-oracle.com/t_ora_12571_tns_packet_writer_failure.htm</a>
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Refer below link for tips
http://www.dba-oracle.com/t_ora_12571_tns_packet_writer_failure.htm [http://www.dba-oracle.com/t_ora_12571_tns_packet_writer_failure.htm]

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the Oracle Advanced Security encryption and integrity configuration parameter was set to REQUIRED. Changed to REQUESTED.
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the Oracle Advanced Security encryption and integrity configuration parameter was set to REQUIRED. Changed to REQUESTED.

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I have an application that runs on windows mobile 6.5 and connects to a oracle database through the activesync connection. Recently I tested it out by using an activesync installed on XenDesktop (citrix). There is no activesync installed locally. Everything works fine with this configuration and activesync connects, but now when I try to access the database I get this error: ORA-12571<br />
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Any Ideas?
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I have an application that runs on windows mobile 6.5 and connects to a oracle database through the activesync connection. Recently I tested it out by using an activesync installed on XenDesktop (citrix). There is no activesync installed locally. Everything works fine with this configuration and activesync connects, but now when I try to access the database I get this error: ORA-12571

Any Ideas?

ORA-12571 Error when connecting to database using windows mobile and XenDesktop

Oracle is an object-relational database management system. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java, but it also includes support for C and C++. Oracle also has its own enterprise modules and application server software.

Oracle Database

Smartphones run using a variety of operating systems -- Android, iOS and Windows Mobile most commonly -- and an even wider variety of programming languages, including Objective-C, Java, Visual C#, C++ and .NET, not to mention HTML5 and JavaScript, and cross-platform frameworks such as PhoneGap.

Smartphone Programming

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.