Psconfiguration wizard failed due to following Error message .
In SQL abc\IQFarm is having Full rights(Sysadmin Role) on Database
ERROR CanUpgrade [ProjectDatabase Name=PWA-IQProjectServer_projects_DB] failed. 073f4e9d-86a0-70eb-5873-cc844198a402
12/23/2015 21:14:11.44 OWSTIMER (0x118C) 0x0D10 SharePoint Foundation Upgrade SPUpgradeSession ajxme ERROR Exception: Cannot open database "IQProjectServer_projects_DB" requested by the login. The login failed.
Login failed for user abc\IQFarm'. 073f4e9d-86a0-70eb-5873-cc844198a402
12/23/2015 21:14:11.49 OWSTIMER (0x118C) 0x0D10 SharePoint Foundation Upgrade SPUpgradeSession ajxme ERROR at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection,
Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior
runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand
cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo
serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String
newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer
timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity
identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions
options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool
pool, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnectionOptions
userOptions) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal&
connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection
owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory
connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open()
at Microsoft.SharePoint.Utilities.SqlSession.OpenConnection() at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, CommandBehavior behavior, SqlQueryData monitoringData, Boolean retryForDeadLock)
at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command) at Microsoft.SharePoint.Upgrade.SPDatabaseSequence.GetVersion(SPDatabase
database, Guid id, Version defaultVersion, SqlSession session, SPDatabaseSequence sequence) at Microsoft.SharePoint.Upgrade.SPDatabaseSequence.GetVersion(Guid id, Version defaultVersion) at Microsoft.Office.Project.Server.Upgrade.ProjectDatabaseSequence.get_BuildVersion()
at Microsoft.SharePoint.Upgrade.SPSequence.get_CanUpgrade() at Microsoft.SharePoint.Upgrade.SPUpgradeSession.CanUpgrade(Object o) 073f4e9d-86a0-70eb-5873-cc844198a402
12/23/2015 21:14:11.52 OWSTIMER (0x118C) 0x0D10 SharePoint Foundation Upgrade SPUpgradeSession ajxnf ERROR Cannot upgrade [ProjectDatabase Name=PWA-IQProjectServer_projects_DB]. 073f4e9d-86a0-70eb-5873-cc844198a402
12/23/2015 21:14:11.52 OWSTIMER (0x118C) 0x0D10 SharePoint Foundation Upgrade SPUpgradeSession ajxng DEBUG Skip upgrading [ProjectDatabase Name=IQProjectServer_projects_DB]. 073f4e9d-86a0-70eb-5873-cc844198a402
Amar