Important notice if your site uses UniAccess distributed transactions. Explanation: UniAccess distributed transactions use the step control feature of the EXEC. Changes to the EXEC have introduced a problem, if the system is configured with ROLBK = 0 and TIP =1.Workaround: Change the configured value of ROLBK from 0 to 1. Resolution: Install the changes […]

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Unisys released a Problem Alert for CPComm 4R1. CPComm 4R1 is not verifying the checksum on IP, TCP and UDT input packets. This could result in corrupted data being delivered to UniAccess. The PLE is located at: https://www.support.unisys.com. (You will need a userid and password to access this site.)The text of the PLE is: IP, TCP, and […]

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Important notice if your site is running one of these OS versions. Verification of the UniAccess Product Keys use the Manufacture Control Number (MCN, a.k.a. serial number) on systems that support the Software Controlled Performance (SCF) feature of the EXEC. UniAccess product key verification uses the dynamic configuration parameter PDB_MFG_CONTROL_NUMBER to obtain the MCN. The name […]

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Read this document if your site is running one of these RDMS versions. Applications which use the UniAccess ODBC Server for RDMS may not retrieve any table information when executed with RDMS 12R2, 13R1, 13R1A, or 14R1. For example, Microsoft Access will not display a list of available tables when the user attempts to link or […]

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Review this document if your site is using UADTC with Windows Server 2003 SP 1. Explanation: UADTC requires Microsoft Distributed Transaction Coordinator (MS DTC). Service Pack 1 for Windows Server 2003 disables MS DTC network access. This will impact UADTC if it communicates with MS DTC over a network. This information applies to all Windows […]

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Review this document to determine if your site can benefit from Problem List Entry (PLE) 18287099. The PLE is located at: https://www.support.unisys.com. (You will need a userid and password to access this site.) The following is from PLE 18287099, as of 4/4/2006: Symptoms: After moving UniAccess up to level 9R1, retrievals begin to take more time to execute. […]

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Important notice if your site uses UniAccess distributed transactions. Explanation:After applying Microsoft Security Bulletin MS05-051 (Knowledge Base article 902400) attempts to execute a distributed transaction using UADTC fail. The error message returned by UADTC is: Error number: -2147467259 Description: [AIS][UniAccess ODBC Driver]Failed to register transaction with MSDTC or UDS. Calling SetAbort The message, if any, […]

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Important notice if your site uses UniAccess distributed transactions and upgrades to MMC 3.0. Explanation:After installing MMC 3.0 (KB907265) on Windows XP or Windows Server 2003, expanding the UADTC snap-in for MMC, and selecting either “Transaction List” or “Transaction Statistics” when the UADTC service is not running on the selected computer will result in the […]

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